Aircraft Electronics Technician Practice Test

These questions are part of the practice quiz. Start practicing

• Which statement best describes the rescue breath sequence in the CPR protocol?
• Which term describes a substance, debris, or article alien to a vehicle or system that could cause damage?
• Which reference material is used for AET certification preparation?
• What is the standard CPR cycle in terms of compressions and breaths?
• What is the name of the resonant electronic circuit containing both capacitance and inductance that can be adjusted to change the frequency?
• What fault is an open circuit (no continuity) between the two leads? There will be no current.
• Which switch makes contact when a button is pressed and breaks contact on the release?
• Which diode is designed to maintain a stable voltage across a load when reverse breakdown occurs?
• Which type of corrosion occurs primarily along grain boundaries, often leading to weakened metal in those regions?
• Transformers that are not installed correctly or installed non-compliant with industry standards are described as which?
• Substances that clean commercial and industrial parts.
• The RMS value of a sine-wave AC is what fraction of its peak value?
• Fault caused by inductors that are not installed correctly or installed non-compliant to industry standards.
• Which knowledge area corresponds to identifying basic facts and terms about the subject?
• Which digital circuit performs addition on three binary numbers?
• Which organic solvent is of industrial and chemical significance?
• What best describes the definition of labels on hazardous substance containers?
• What is the extreme form of intergranular corrosion along the grain boundaries called?
• What is an electrically controlled device that opens and closes electrical contacts to operate other devices in the same or another electrical circuit?
• Which knowledge area corresponds to identifying the relationship of basic facts?
• Which airway maneuver is described for use if you are trained?
• Which program focuses on grounding, handling precautions, and packaging for ESD-sensitive items?
• Which instrument is used to find a circuit problem with power on the circuit?
• Which term describes magnetic loss in a transformer core caused by changes in magnetization?
• What defines a set of standards for Aircraft Electronics Technicians?
• Which term includes information found in manuals, bulletins, or books?
• What electronic circuit uses a tapped coil in parallel with a capacitor to control the AC frequency of a circuit?
• Which property describes how easily magnetic lines of force pass through a material?
• Which device checks for the existence of a complete electrical system between two points?
• Which unit is used to measure electrical power?
• Which transformer winding supplies energy to the load device?
• Methyl Ethyl Ketone may be used with other solvents such as acetone, ethyl acetate, hexane, toluene, and alcohols. Which of the following is listed as a compatible solvent with MEK?
• Which term refers to a switch with two poles and a single throw?
• A Byte is composed of how many bits?
• Which standard governs ESD caution in military environments?
• Which instructional content type is typically distributed on CDs and is used for teaching concepts?
• Which term describes changes occurring at the same instant due to a timing device?
• Which electromagnet device with a movable iron core can be pulled into a coil?
• Which area involves naming parts, tools, and simple facts about the task?
• In a step-up transformer, what happens to voltage and current?
• When listing component names and tool types, which area applies?
• What fault allows the current to travel from one lead to the other lead without going through the coil winding of the inductor?
• RF energy is a form of energy that belongs to which category?
• In a DC circuit, the power is the product of which quantities?
• Intergranular corrosion is corrosion that forms within the metal along grain structures.
• Scale defining the individual's task performance and knowledge levels.
• Which gate performs the OR operation on two or more inputs?
• Voltage drop is the reduction in voltage caused by current flowing through a resistor. Which option best describes this phenomenon?
• Which unit combines addition and subtraction capabilities in a single arithmetic module?
• High-capacity optical disks containing video recordings or data.
• An aircraft's equipment list is a detailed listing of instruments and equipment that are installed in the aircraft.
• Which gate performs the OR operation on two or more inputs?
• Which term describes circuits that regulate output voltage regardless of load current variations?
• What is the basic unit of electrical potential difference?
• Which statement best defines the level that can perform all parts of a task but needs only a little help?
• Which circuit is commonly used to convert AC electricity into DC electricity by using both halves of the input waveform?
• Which term describes the hazards that remain in RF environments after controls are applied?
• What term refers to the pulse generator used to synchronize switching circuits?
• Which instrument is best for displaying waveforms and peak-to-peak values?
• Which of the following is the octal numbering system?
• Power actually available in an AC circuit is called?
• True power values are given in what units?
• Which device stores the status of its D input when the clock makes a transition?
• What digital circuit is capable of adding or subtracting numbers?
• How should incompatible substances be stored?
• What is the minimum chest compression depth for infants during CPR?
• What term describes the opposition to the flow of electric current, is measured in ohms, and is represented by the symbol R?
• Which term includes fuses, current limiters, thermal protectors, and circuit breakers?
• Which numbering system uses the digits 0-9 and operates in base 10?
• Which statement correctly defines power in a DC circuit?
• Uses a liquid or paste dielectric that has a considerably higher dielectric strength as compared to air or other dry materials.
• What term describes the number of cycles of AC completed in one second?
• In a series circuit, how is the total resistance determined?
• Which configuration is known to produce a current or voltage gain?
• What term describes the set of output values for all possible input combinations of a logic circuit?
• The alternating current waveform produced by a rotary generator is a?
• What is the term for the frequency at which attenuation begins to rise rapidly in a filter?
• Which term refers to the effective heating value of an alternating current waveform compared to direct current?
• Contains a combination of series and parallel circuits?
• RF energy and microwave energy are forms of which broad category?
• Identify the condition in which a diode is biased to oppose forward conduction.
• Which instrument is commonly used to measure current in a circuit?
• Which statement about hazard labels is accurate?
• Which items are included in proper safety equipment?
• A seven-segment display is typically used to form digits 0-9 using how many segments?
• Which statement best describes solvents?
• In a capacitive AC circuit, the current leads the voltage.
• Which term describes damage or incidents attributed to a foreign object expressed in physical or economic terms?
• Insulating material that stores electrical energy in an electrostatic field.
• What NCATT level corresponds to the ability to identify basic facts and terminology related to selecting and using technical publications?
• Which device is designed to select one of multiple circuits from a single device?
• Which program focuses on protection from noise exposure and includes training and screening?
• Which electrical characteristic defines opposition to AC flow produced by coils and capacitors?
• Documents that provide information about the equipment installed on an aircraft.
• What is the amount of time, in seconds, required for the voltage across a capacitor to reach 63.2% of the applied voltage?
• Exfoliation corrosion occurs most clearly at which area of the metal?
• Which filter type passes certain middle-frequency bands while attenuating high and low frequencies using resonant circuits?
• Which term describes a material that readily allows electrons to move from a source to a load?
• Which term is a rough drawing representing aircraft systems or components?
• What component is used to divide the frequency of an input signal?
• Which Federal Aviation Regulation part governs regulatory requirements for maintenance, preventive maintenance, rebuilding, and alterations?
• Which concept describes the output count increasing by one with every input pulse due to a toggling action?
• Substance that dissolves another substance or substances to form a solution.
• Which reference provides aviation maintenance regulations?
• In a delta-wound three-phase generator, motor, or transformer, how are two of the phase windings connected relative to the third?
• Documents that provide information about unsafe conditions found in aircraft engines, propellers, or appliances?
• What term describes an electronic circuit that converts DC into AC at predetermined frequencies and amplitudes?
• MEK stands for Methyl Ethyl Ketone.
• What term defines Electrostatic Discharge as the instantaneous discharge of static electricity?
• The production of two or more AC phases, or two or more alternating voltages of the same frequency, is called
• Documents that provide methods for determining the empty weight and empty-weight center of gravity of an aircraft.
• Which form of corrosion is a severe, localized type that forms pits and is often accompanied by a white or gray powder?
• Measure of ease that lines of flux travel through a material.
• Which term is commonly referred to by the MEL acronym?
• Which exposure metric is used to quantify RF exposure in terms of energy absorption?
• What term denotes the process of extracting the information-bearing signal from a modulated carrier?
• Referred to as a Minimum Equipment List (MEL).
• Which switch opens and closes an electrical circuit by pushing the switch up and down with the thumb?
• The most common type of polyphase uses how many phases?
• What fault is an open circuit between the leads of an inductor?
• Coatings contain pigments, paints, solvents, drying oils, and other additives.
• Counter EMF is a term associated with which basic electrical concept?
• Electrostatic Damage includes total catastrophic failure, delayed failure, and degradation to the circuit.
• Which instrument is commonly used to measure electrical quantities such as voltage, current, and resistance?
• Which electrical characteristic of a conductor describes the amount of electric charge that can be stored in a capacitor under a given voltage?
• Which expression correctly represents Ohm's Law?
• What term refers to frequency-sensitive filter circuits designed to pass a certain range of frequencies from the generator to the load device and reject all other frequencies?
• Which term is used for devices that detect a target's presence without physical contact?
• Which knowledge area would you consult to understand why and when a task must be done?
• Which topic concerns the basic facts and principles underlying transformer operation?
• What is the name of the bi-stable memory element used to store information?
• Two cross-coupled NOR gates where applying a 1 at either input drives the opposite output low describe which memory element?
• Intergranular corrosion occurs where?
• Which measure is described as part of Controlling Corrosion?
• Which rule determines the direction of movement of a current-carrying conductor in a magnetic field?
• Which term describes a publication listing standard equipment installed on an aircraft?
• Which capacitor category is used to reduce electrical arcing at breaker points or switch contacts?
• Which circuit configuration has all components in a single path so the same current flows through each?
• Which term describes an insulating material that stores energy in an electrostatic field?
• Which relay contact configuration is held open by a spring?
• What is the proper method for disposing of solvent waste, oily rags, and flammable liquids at the worksite?
• Semiconductor devices that have three or more electrodes describes what?
• What device is used to connect the body to ground and drain static charges when handling electronic components?
• After the victim is freed from an electrical source, what should you do regarding moving them?
• Which program includes training in normal operation of equipment, periodic screenings of employees, and applicable emergency procedures?
• Which term refers to sheets of microfilm that contain rows of images of printed matter?
• In active-mode, the collector-base junction is reverse-biased.
• Which advisory circular provides regulatory guidance on maintenance, preventive maintenance, rebuilding, and alterations?
• If a circuit has 10 volts across 2 ohms, what is the current?
• What term describes the product of effective voltage and effective current, expressed in Volt-Amps (VA)?
• Which of the following is an approved method to separate a victim from a live electrical source when you cannot reach the power switch?
• The RMS value of a sine-wave AC is equal to what fraction of its peak value?
• During early design phases, a high-level, non-detailed drawing is often called what?
• Which type of circuit should be considered when troubleshooting for defects that involves multiple components and voltage drops?
• OSHA has adopted which level as a daily eight-hour exposure limit?
• Which document serves as a primary source for information about unsafe conditions discovered in aircraft components?
• What type of current continuously changes in magnitude and reverses direction in a sine-wave pattern?
• Which fault is described as resistors not installed correctly or non-compliant to industry standards?
• Which subatomic particle is neutral and resides in the nucleus?
• What is the short-hand method of expressing a number as a value between 1 and 10 multiplied by a power of ten?
• What is the purpose of keeping aisles and passageways clear?
• Which term refers to electrical charge that builds up on an insulating surface due to friction?
• Which circuit contains only one path for current, making the current common through all components?
• Which numbering system is based on powers of eight and uses digits 0-7?
• Substances that function to protect surfaces.
• Which instrument is used to measure electrical voltage across components?
• Which item is not a listed cause of corrosion?
• What is the SI unit of energy?
• What is the primary immediate action when someone suffers an electrical shock?
• Which term describes someone who can do most parts of a task but not all?
• Includes corrosives, ignitables, and reactives, as well as chemicals used as solvents, cleaners, caustic solutions, degreasers, strippers, adhesives, and coatings.
• If you cannot locate the power switches, you should avoid touching the victim.
• Which term describes hearing protection used to reduce exposure to loud sounds?
• Electrode between the emitter and the collector that controls the amount of current passed
• Which document is described as the Airframe Handbook for inspection, repair, and alterations?
• Which term describes a magnet's ability to attract iron-containing materials?
• Post-rescue care steps for an electrical shock victim include which of the following?
• What is the basic unit of inductance?
• Which term includes detailed mechanical drawings or architectural plans for an aircraft?
• Protective electrical insulated gloves and sleeves are worn to protect against electrical shock hazards.
• In a step-down transformer, what happens to voltage and current?
• In AC, one complete cycle corresponds to how many degrees of rotation?
• What term defines the amount of time for one complete cycle of oscillation to take place?
• How many outputs does an AND logic gate have?
• Which of the following is an example of physical data included in an MSDS?
• Where should MSDSs be readily accessible to employees?
• During rescue breaths, what is the correct sequence?
• Which transformer winding is connected to the power line (source)?
• Which component is a bi-stable memory element used to store information and is a fundamental building block for memory in sequential circuits?
• Which logic gate has two or more inputs and one output and performs the OR operation?
• Documents issued by the FAA approving an Aircraft Type Design alteration.
• Which term defines the scale for performance and knowledge levels for technicians?
• What term describes the boundary between two materials in a semiconductor?
• Which corrosion is characterized by the exfoliation or flaking of metal layers from the surface?
• Which switch is typically used to manually switch a single circuit between multiple outputs with a knob?
• RF energy and microwave energy are forms of electromagnetic energy. They differ in what characteristic?
• Which term describes a material that prevents the flow of electricity?
• What is the simplest electrical semiconductor device formed when an N-type material is joined with a P-type material?
• What term describes the time for one complete cycle of oscillation?
• Which term defines a capacitor whose capacitance changes by changing the area of its plates?
• Which term describes circuits designed to pass a specific range of frequencies and reject others, i.e., band-limited circuits?
• Which symbol is commonly used to denote electrical resistance in circuit analysis?
• What term describes earplugs and earmuffs with low-level protection?
• Which instrument is used to find a circuit problem when power is removed from the circuit?
• Which term describes the ability to store electrical energy in the electric field between two conductors?
• What is voltage drop called?
• Which circuit performs the NOT operation and has a single input and a single output that are always complementary?
• Which term refers to the components of coatings like pigments and solvents?
• Which problem is commonly encountered during circuit troubleshooting and involves an open resistor path?
• Windings arranged in the shape of a Y are called?
• Which term corresponds to the quantity associated with the magnitude of the ripple in an AC rectifier output?
• What is the unit of the electric current?
• Documents used for entering records of maintenance on a particular aircraft.
• Which term describes a switch configuration with one input and two outputs?
• In circuit analysis, the quantity represented by the letter L is known as which quantity?
• Which term describes a device that stores energy in an electrostatic field?
• AC43.13 1B & 2A covers which topic?
• Which instrument provides precise measurement of small distances using a vernier scale?
• What term describes the semiconductor operation condition in which a low-resistance state exists?
• The FAA handbook for airframe mechanics is titled what?
• In rescuing a victim from a live electrical source without contact, the rescue device should be formed into what?
• True power is the product of the circuit voltage and the current in phase with this voltage. What condition is described?
• If hazardous waste is poured into a storm drain, where does it typically travel?
• Which term refers to a memory register with special features; a flip-flop interconnection having an input that enables binary counting?
• Which term refers to equipment used to protect workers from hazards such as inhalation, skin contact, ingestion, or eye exposure?
• Recordings of a motion picture or presentation.
• What is the name for the ratio of real power dissipated to the apparent input power?
• NPN Transistor—Three-element semiconductor formed by placing a lightly doped, very thin region of P-type silicon or germanium between two regions of N-type material
• Which component is a coil of wire designed to take advantage of the relationship between current flow and the magnetic field created around the conductor?
• Which option best describes the concept of Use of Safety Devices in maintenance tasks?
• Flow of electrons in one direction throughout a circuit with constant voltage and current.
• Which item is explicitly mentioned as requiring containment in covered fire resistant containers until removal from the worksite?
• Special application diode in which electricity is conducted under certain voltage conditions
• Which procedural step involves shutting down, isolating, blocking, and securing machines to control hazardous energy sources?
• What term describes current loss caused by a lag between an action and its effect in magnetic materials?
• Which term describes the measures including cooling air systems to remove moisture and particulate matter, proper packaging, insulation, sealants, and good housekeeping?
• What should you do to obtain medical help after an electrical shock?
• Which document is used to record maintenance actions on a specific aircraft?
• What material is used in filters to assist in the rejection of unwanted signals?
• MSDS documents typically address emergencies with which topic?
• Which term describes a change in circuit state that is not governed by a clock?
• In an exclusive OR (XOR) gate, the output is produced when the inputs are what?
• Which document is used to determine the empty weight and empty-weight center of gravity of an aircraft?
• Which statement describes the proper sequence of actions in electrical shock first aid?
• What term describes the instantaneous discharge of static electricity that has built up on a surface?
• Which item is not typically included in an MSDS?
• Which type of switch is usually solid-state and detects the presence of a predetermined target without physical contact?
• One half of the input AC voltage, pulsating with one half the frequency of the input AC voltage corresponds to which term?
• Which term describes the use of feedback to sustain oscillations in an amplifier?
• Which term refers to diagrams that show the wiring of an electrical system using standardized symbols?
• Microwave energy is a form of electromagnetic energy. What is another label used for this form?
• Which document provides hazardous material handling and safety data information?
• Programs, usually on CDs, to instruct and teach concepts.
• Real power in an AC circuit is defined as the product of the applied voltage and the current that is in phase with the voltage. Which option expresses this correctly?
• A fault condition where the fuse or circuit breaker opens due to excess current indicates which primary coil fault?
• What describes pre-job meetings covering hazards, work procedures, energy source controls, and PPE requirements?
• What term describes an electronic circuit that contains a piezoelectric crystal?
• A device consisting of a number of primary voltaic cells or secondary cells connected in series to obtain a desired DC voltage is called a ...
• AC43.13 1B & 2A pertains to which topic?
• Ability of a magnet to attract iron-containing materials and influence electrons; magnetism is the principal way to effectively produce AC electricity.
• What hazards are commonly associated with degreasers and strippers?
• Which term describes the charts used to solve malfunction problems by locating possible causes and making corrections?
• Which transformer winding is connected to the power source?
• Which term describes a unit that can represent 256 distinct values?
• Which term describes a condition where the p-n junction conducts more readily?
• Which energy form is described as part of the electromagnetic spectrum relevant to RF systems?
• What term describes current losses caused by circulating currents in a magnetic core that produce heating and alter current distribution?
• Which term refers to devices designed to interrupt current when a circuit overloads?
• How should bags, containers, and bundles be arranged to stay stable and secure?
• Which description best matches the concept of Use of Safety Devices in maintenance tasks?
• Which instrument is the most versatile electrical measuring instrument used by aircraft technicians?
• Which capacitor condition would cause the circuit to stop conducting because current cannot pass through one plate?
• Documents that supersede manufacturer's initial manuals and may require a code to access.
• Three-element semiconductor formed by placing a lightly doped, very thin region of N-type silicon or germanium between two regions of P-type material
• Which type of capacitor is constructed from plates and dielectrics placed firmly together and covered with a protective material?
• Which corrosion phenomenon occurs when different metals are in contact with each other in the presence of an electrolyte?
• Which term refers to substances that can burn and destroy living tissues or soft metals?
• Which circuit configuration has elements connected in a single path so the same current flows through all elements?
• Which term refers to capacitors that are not installed correctly or installed non-compliant to industry standards?
• Which type of capacitor changes its capacitance by altering the area of its plates?
• Which term describes a substance that dissolves other substances to form a solution?
• Which term is associated with interpreting wiring diagrams in aviation technical data?
• Where should you place your hands to begin chest compressions?
• What is the simplest semiconductor device formed by joining N-type and P-type materials?
• What type of filter allows low frequencies to pass from the generator to the load device and blocks, or attenuates, high frequencies?
• Which statement best describes the states of solvents?
• What material or device prevents the passage of heat, electricity, or sound?
• Which diagram type is used to illustrate the overall function and relationships of subsystems using blocks?
• Who must maintain MSDSs received with incoming shipments of hazardous chemicals?
• Which transistor terminal is the source of charge carriers in an NPN transistor?
• Which symbol is used to denote the unit of electric current?
• Which term describes information located, researched, and interpreted from manuals for installing aircraft systems?
• Which type of current is generally easier to produce in large quantities?
• AC 43.13-1B/2B provides regulatory guidance on which topics?
• What information must waterproof container labels include?
• What document would you consult for handling and safety information about hazardous materials?
• Which instrument is specifically used to measure resistance in a circuit or component?
• Which rectifier is commonly used to convert AC electricity into DC electricity by allowing only one half of each input cycle to pass?
• Which item is worn to keep a workstation free of static charges?
• Why are NPN and PNP transistors not interchangeable?
• Which term refers to a capacitor type that uses an electrolyte as part of its construction?
• Which law relates voltage, current, and resistance in an electrical circuit?
• Which of the following should never be applied to a burn?
• Sheets of microfilm that contain rows of images of printed matter.
• Which term describes the proper functioning of capacitors?
• Which term describes the property that generates voltage when a conductor is exposed to changing magnetic fields?
• Basic unit of electrical quantity, equal to 6.28 billion - billion electrons.
• Which corrosion type forms along grain boundaries?
• Which term represents a two-pole, single-throw switch?
• Which of the following describes information included in an MSDS?
• Which term isolates the problem?
• The MSDS System refers to what activity?
• Which program includes training on ESD failures, prevention, safety-related work practices, and emergency procedures?
• What is the minimum chest compression depth for adults and children during CPR?
• OSHA requires employers to provide information to employees about hazardous materials. This is part of which program?
• In positive logic, which statement about voltage levels is true?
• What is the recommended method to remove a victim from a live source without direct contact?
• What is the electron?
• Which tool pair is used to cut or form threads on components?
• Which term describes a switch that operates by moving a lever laterally with the thumb to connect different circuits?
• Which hazards include fires, dangerous reactions, and explosions?
• Which category would include substances used to clean aircraft parts and may include hazardous components?
• Which knowledge area answers why and when a task must be performed?
• Which device increases its output by one on each clock pulse due to a toggling action?
• Which term describes the particle that is negatively charged and orbits the nucleus?
• What fault is caused by resistors that are outside of their specified values?
• One AC cycle is produced by how many degrees of rotation?
• Which practice involves cleaning the immediate area when work cannot continue and inspecting tools after job completion?
• Active Noise Reduction (ANR) devices that enhance communications are categorized as which type of hearing protection?
• Two conditions of temporary stability and no permanent condition of stability refer to which type of multivibrator?
• What term refers to switching circuits connected together to form digital systems?
• Which document is the manufacturer-provided publication for individuals who perform work on aircraft systems or components?
• What does FOE stand for?
• Which instrument is used to measure the amount of current flowing through a load?
• Which document certifies modifications to an aircraft's type design approved by the FAA?
• Which statement describes the direction of current flow in an NPN transistor in active mode?
• Which agency has the authority to control hazardous waste?
• Which term describes the electronic circuit that uses a piezoelectric crystal to stabilize the oscillator's frequency?
• What does the term Proficiency refer to in the context of tool handling?
• Which circuit adds two binary numbers?
• Which circuit configuration involves components connected so that they share the same voltage across each resistor and current divides?
• Which knowledge area focuses on identifying the relationship of basic facts?
• Which federal regulation details the scope of maintenance, preventive maintenance, rebuilding, and alterations for airframes and components?
• Real power in an AC circuit is defined as the product of the applied voltage and which current?
• What is the term for positive feedback that makes any amplifier an oscillator?
• What is the function of a NOT gate in digital logic?
• Is extremely limited (can do simple parts of the task).
• Which knowledge level is associated with analyzing the relationships between facts and principles?
• Which switch is most susceptible to shock and vibration in an aircraft and may have its contacts open momentarily before closing?
• Which transistor type is formed by placing a lightly doped N-type region between two P-type regions?
• What is a common measure of exposure to RF energy?
• Which program includes training in normal operation of equipment, periodic screening of employees and facilities, and appropriate emergency procedures?
• The RMS (effective) value of an AC voltage or current is always less than its peak value.
• What is the term for the maximum voltage measured from zero to the peak of a waveform?
• Which relay contact configuration is held closed by a spring?
• What describes the complete mapping of all input combinations to their outputs for a logic gate?
• Which circuit takes an input signal with a frequency and outputs a signal with a lower frequency?
• Which transistor terminal carries the main output current in normal operation?
• What is the term for opposition to current flow caused by capacitance in an AC circuit?
• What is another term used interchangeably with demodulation?
• Which term is used to denote the program or process used to assure a FOD-free product/system?
• Which term refers to electronic devices that have no moving parts?
• Which knowledge area includes the ability to predict, isolate, and resolve problems?
• Which term refers to the practice of using multiple capacitors to reduce arcing at breaker points or switch contacts?
• The flow of electrons through a conductor.
• Which fault allows electrical current to flow across a part of the circuit that should act as an insulator?
• Opposition to current flow in an AC circuit due to inductance is known as
• Which device is typically used to implement a memory element capable of storing a single bit and is clocked for state changes?
• Process of determining the capacitive reactance in a circuit.
• Which term describes the basic unit of electrical charge?
• What type of diagram shows an electrical or fluid power system with components represented by symbols?
• Which circuit contains more than one path for current?
• Which CFR Part governs regulatory requirements for certified airmen (mechanics and repairmen) privileges and limitations?
• Voltage drop across a component is caused by what?
• Which description indicates the ability to complete a task quickly and efficiently?
• Which instrument would you use to measure the current flowing through a load?
• How should incompatible substances be stored to minimize risk?
• Which question asks about loose connections, broken wiring, or inoperative indicator lights?
• What does IR in IR drop stand for?
• Which term is used to describe the electrical potential difference in a circuit?
• How is a decimal number converted to its binary equivalent?
• Which description best matches the term Microwave Protection Program?
• Which test detects breakdown of insulators or conductors in transformer windings?
• How long should each rescue breath last?
• What term is used for the allowable concentration of a hazardous substance in breathing air?
• Which type of filter produces no gain in a circuit?
• What term describes the value of a sine-wave alternating current needed to produce the same amount of heat as direct current?
• Typically developed by a manufacturer for a specific aircraft.
• What term describes alphanumeric characters produced by visible segments on LED or LCD devices, typically using seven segments to form digits 0-9?
• Which diagram type represents functional units as blocks to describe a system's functions and interrelations?
• Which problem describes a common fault involving a short between conductors?
• Which solvent is used in the surface coating industry and in dewaxing of lubricating oils?
• Certification examination for Aircraft Electronics Technicians.
• What is the term for chemical or electrochemical deterioration of a material due to a reaction with its environment?
• Substances that adhere or bond two components, or items, together are called?
• What term describes the angle between two sinusoidally varying quantities with the same frequency?
• Which item is explicitly cited as a cause of corrosion?
• Are there any loose connections, broken wiring, or inoperative indicator lights?
• Which of the following describes acetone?
• Which OSHA standard governs Hazardous Waste Operations and Emergency Response?
• Which practice is included in Controlling Corrosion?
• According to the CPR protocol, when should you stop performing CPR?
• Neutral subatomic particles that exist within the nucleus of all atoms. Neutrons are not involved in the conduction of electricity.
• What does FOE stand for in the context of foreign object control?
• Which digital circuit performs subtraction of numbers?
• What is the basic unit of capacitance?
• Which device is a precision electrical switch used to control the movement of mechanical devices?
• Which description best defines Common Tools in the context of aircraft wiring?
• In negative logic, which statement about voltage levels is true?
• Which circuit configuration has elements connected so they share the same voltage and current divides among branches?
• Which electronic test instrument displays waveforms of electrical signals?
• What is the unit of the electrical voltage?
• What is the typical AC frequency used in most aircraft applications?
• Which category includes Galvanic Corrosion, Pitting Corrosion, Exfoliation Corrosion, and Intergranular Corrosion?
• Which instrument is used to measure resistance in a circuit or component?
• Which device is a semiconductor with three or more electrodes used for switching and amplification?
• MSDS compliance—who is required by law to supply MSDSs to purchasers?
• Which transistor junction must be reverse-biased to allow collector current to flow in the active region?
• Which numbering system uses digits 0 and 1?
• In a two-input AND gate, the output is true only when which condition holds?
• Which memory element is formed by two cross-coupled NOR gates where a 1 on either input forces the output to 0?
• What electronic circuit for communications receivers produces useful power at two or three times the frequency of the fundamental pulse rate?
• Which electrical characteristic describes voltage generation when a conductor is cut by lines of magnetic flux?
• Which knowledge area corresponds to analyzing facts and principles?
• Which device is a bi-stable memory element used to store information?
• In a series circuit, how does current behave through the components?
• Charts used to solve malfunction problems by locating possible causes and making corrections.
• Which statement aligns with CPR guidelines in electrical shock first aid?
• Who must ensure MSDSs are readily accessible during each work shift to employees in their work areas?
• In radio receivers, which oscillator produces useful power at two or three times the fundamental pulse rate?
• AC65-15A Airframe Handbook is associated with which topic?
• Which term best describes the overall concept that includes methods like shadow box/board, tether, chit system, tool inventories?
• Compared to RF energy, microwave energy is typically at a higher frequency and shorter wavelength.
• Which term best describes capacitors that are constructed with fixed plate geometry and protective covering?
• During clocking, which device toggles its state, causing inputs and outputs to switch between 1 and 0?
• Which term describes a network that contains a mix of series and parallel elements?
• Documents containing recommendations about defects or improvements to an aircraft.
• Which rectifier uses both halves of the input waveform to produce DC?
• Which topics are included in required handling knowledge?
• The unit of measurement for electromotive force is which?
• What is the unit of measurement used to express the flow of electrons (electrical current)?
• What term describes the maximum DC voltage that can be safely applied across a capacitor?
• What fault describes a current bypassing the coil by a direct path in an inductor?
• OSHA 29 CFR 1910.120 is associated with which area of regulatory practice?
• Which transformer winding supplies energy to the load?
• Direct Current (DC) Basic Terms are a suggested reference for what?
• Caustic solutions are usually strong acids and/or bases.
• Which term describes methods of tool control and accountability such as shadow box, tether, chit system, tool inventories, and related practices?
• The flow of electrons through a conductor is described as what?
• Which term refers to equipment designed to protect workers from inhalation, skin absorption, ingestion, and eye hazards?
• Electrical component used to store electrical energy in the form of an electrostatic field.
• Who is required by law to supply MSDSs to purchasers?
• Which transistor type is formed by placing a lightly doped P-type region between two N-type regions?
• What term describes the practice of reducing nominal ratings to maintain performance under reactive loading?
• Which configuration is also known as a wye connection?
• Which statement expresses Kirchhoff's Current Law?
• Common building block of electrical circuits that easily permits the movement of electrons from an electrical source to a load and back.
• Which switch capable of selecting any of several circuits?
• Many degreasers and strippers contain flammable and toxic elements.
• What does FOD stand for in the context of foreign debris?
• Unit of electrical opposition to the flow of current. A circuit has one ohm of resistance when it limits the flow of current to one amp under a voltage pressure of one volt.
• Which tool is used to remove insulation from electrical wires?
• The term for power that is actually delivered by the circuit, measured in watts, is called?
• What term describes the invisible force that causes electrically charged items to repel or attract each other?
• What hazard characteristic is commonly associated with many adhesives?
• What is the employer's responsibility regarding MSDS?
• What semiconductor condition is described as a high-resistance state when not conducting?
• Which condition occurs when the conductive surfaces (plates) come into physical contact with each other?
• Which diagram illustrates a picture of aircraft systems with each component identified by callouts?
• The force that causes electrons to flow through a conductor is abbreviated as what?
• Which phenomenon occurs when the inductive and capacitive reactance cancel in a circuit?
• If a person is unresponsive, what should you do before starting CPR?
• Which electronic device converts AC to DC, such as a bridge circuit of diodes?
• Which digital circuit performs addition of numbers?
• Many adhesives contain flammable and toxic elements. What hazards are commonly associated with adhesives?
• What does MSDS stand for?
• What type of filter passes high frequencies and attenuates low frequencies?
• Which statement is Kirchhoff's Voltage Law?
• Binary numbering uses which base?
• Which term describes a circuit that keeps the output voltage constant as the load current changes?
• Which gate is defined as NOT OR and has two or more inputs?
• Which instrument is primarily used to measure resistance and test continuity?
• Emitter current in a bipolar transistor equals which of the following?
• Which device is commonly used to convert AC to DC electricity?
• The AC quantity that produces the same heating effect as a given DC value is called the
• What is the primary purpose of an MSDS?
• Which term describes an electronic function that decreases the amplitude of some frequencies relative to others?
• Which term describes a Binary Digit, the basic unit of binary numbers?
• Which term best describes electronics devices that are solid-state and have no moving parts?
• Substances that may contain solvents, corrosives, or any number of chemicals to clean an aircraft.
• Which instrument measures and displays voltage (AC peak-to-peak values) in waveforms of a wave generating circuit?
• What term describes the method for derating nominal ratings to obtain reasonable switch efficiency under reactive load conditions?
• AC 43.13-1B/2B is an advisory circular that covers regulatory requirements concerning which topics?
• Which oscillator configuration uses a tapped coil in parallel with a capacitor to determine the oscillation frequency?
• EPA control includes which activities related to hazardous waste?
• In active-mode, the base-emitter junction is forward-biased.
• Two transistors that alternate conducting describe which device?
• Which term describes the logic convention where a high voltage represents 1 and a low voltage represents 0?
• Microwave frequencies are normally used for which applications?
• True power in an AC circuit is measured in which unit?
• What is described as two cross-coupled NAND or NOR gates with the output of one feeding the input of the other?
• Which term is the official FAA designation for the list of installed equipment that may be inoperative and still allow flight?
• Which subatomic particle is positively charged and resides in the nucleus, but is not involved in the conduction of electricity?
• In RF systems, which hazards are left after controls are applied?
• Which statement best describes the environmental risk of pouring hazardous waste into a storm drain?
• Which type of switch is designed for high-level loads and is selected based on the design or type of aircraft service required?
• Which knowledge area covers determining step-by-step procedures for performing the task?
• Contains four impedances that form a square?
• Which term describes the condition of a transformer when installation does not meet industry standards?
• Which program covers grounded workstation surfaces and equipment, personnel grounding, handling precautions, and protective packaging for ESD items?
• Which term refers to meetings before the job that cover hazards, work procedures, energy source controls, and PPE requirements?
• Which term describes checks performed on components or systems using testing instruments such as multimeters or oscilloscopes?
• Which statement describes Kirchhoff's Resistance Law for a series circuit?
• Which term describes the logic convention where a high voltage represents 0 and a low voltage represents 1?
• Which phenomenon occurs when the inductive and capacitive reactance are equal?
• What action should never be done with hazardous materials at a jobsite?
• Which item is listed as a cause of corrosion?
• What device is used to introduce inductance into a circuit?
• This fault shows zero volts due to no coupling action and is associated with which transformer coil?
• What must an employer ensure regarding PPE when employees are exposed to hazards?
• Which filter type attenuates a specific middle-frequency band while allowing high and low frequencies to pass?
• What is the recommended rate for chest compressions during CPR?
• In an inductive AC circuit, the current lags the voltage.
• Which term refers to an electromagnet device with a movable iron core used to actuate switches?
• The farad is the unit of which quantity?
• Which condition describes a capacitor with continuity lost to one plate, resulting in no current in the circuit?
• Documents that cover all phases of aircraft operation from assembling to maintaining and storing the equipment.
• Which device arrangement is used to convert alternating current into direct current?
• In active mode, what are the biasing conditions for the BJT junctions?
• Which storage practice helps prevent container sliding, falling, or collapse?
• How many bits are in a nibble?
• Which document is typically used to supersede the manufacturer’s initial manuals and may require a code to access?
• Which materials, in their pure state, are insulators?
• Which statement about container labeling is true?
• Which filter type is designed to pass a defined mid-frequency band while reducing others?
• Are precautionary details on hazard labels always required?
• What is the standard acronym for a switch with a single input and two outputs?
• Acetone is colorless, volatile, and extremely flammable.
• Which program includes training in normal operation of equipment, job briefings, support of safety-related work practices, and applicable emergency procedures?
• Which term describes hearing protection with electronic components that actively reduce noise?
• In mathematical problems, voltage is expressed by which letter?
• Which numbering system uses powers of 16 and digits 0-9 and A-F?
• Which statement best defines EMF?
• Exfoliation corrosion is described as occurring along which structural feature?
• Which statement describes task performance level 4?
• Which term best describes capacitors that are constructed with fixed plate geometry and protective covering?
• One permanent stable mode of operation describes which device?
• Which term describes measures including cooling, packaging, insulation, sealants, and housekeeping to prevent corrosion?
• Which statement correctly defines a joule?
• An FAA approved list of installed instruments or equipment that may be inoperative while allowing the aircraft to continue to be operated.
• Which term describes a switch with two independent poles and two throws?
• What electrical characteristic represents the total opposition to the flow of AC in a circuit, including resistance, capacitance, and inductance?
• Which program includes training in FOD control, management, and accountability, and support such as periodic screening of employees and facilities?
• Refers to a sound that is unpleasantly loud.
• What fault is caused by resistors that are outside of their specified values?