2A652 CDC Volume 2: Trivia Quiz On Aerospace Ground Equipment!

64 Questions | Total Attempts: 3406

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2a652 Quizzes & Trivia

There are a lot of procedures that should be followed to ensure that any air force plane that leaves the ground is in working condition and all systems are good. Below is a 2A652 CDC Volume 2: Trivia Quiz On Aerospace Ground Equipment to follow up on the volume one quiz. Take it up and keep an eye out for other quizzes like it designed to prep you for the final exams.


Questions and Answers
  • 1. 
    How many valence electrons are needed to make a good conductor?
    • A. 

      3

    • B. 

      4

    • C. 

      5

    • D. 

      6

  • 2. 
    An atom with eight electrons in its outermost shell is said to be
    • A. 

      Free

    • B. 

      Stable

    • C. 

      Valence

    • D. 

      Ionized

  • 3. 
    "Dielectric" is the term used for
    • A. 

      Conductors

    • B. 

      Insulators

    • C. 

      Doped atoms

    • D. 

      Semi-conductors

  • 4. 
    "The flow or drift of electrons through a conductor" in the same direction at the same time is the definition of
    • A. 

      Conductivity

    • B. 

      Voltage

    • C. 

      Current

    • D. 

      Valence

  • 5. 
    The potential difference between two points in a circuit that exerts a force on free electrons is called
    • A. 

      Conductivity

    • B. 

      Voltage

    • C. 

      Current

    • D. 

      Valence

  • 6. 
    What is used to control current flow in a circuit?
    • A. 

      Voltage

    • B. 

      Coulombs

    • C. 

      Resistance

    • D. 

      Conductivity

  • 7. 
    Given a voltage of 24 volts and a resistance of 18 ohms in a series circuit, the current through the resistor would be
    • A. 

      .075 amps

    • B. 

      1.33 amps

    • C. 

      133 amps

    • D. 

      750 amps

  • 8. 
    Total current in a series circuit is equal to the
    • A. 

      Current through one component

    • B. 

      Sum of the current through each component

    • C. 

      Reciprocal of the current through one component

    • D. 

      Reciprocal of the sum of the currents through each component

  • 9. 
    In a parallel circuit, the total voltage is equal to the
    • A. 

      Sum of the voltages across each branch

    • B. 

      Voltage across each resistor

    • C. 

      Voltage across each branch

    • D. 

      The reciprocal of the voltage across the resistance

  • 10. 
    Source current in a parallel circuit will be divided according to branch
    • A. 

      Voltage

    • B. 

      Powers

    • C. 

      Lengths

    • D. 

      Resistances

  • 11. 
    What is the total resistance of a parallel circuit with branch voltages of 440 volt (v) and 440v and branch currents of 4 amp (a) and 16a?
    • A. 

      11 ohms

    • B. 

      22 ohms

    • C. 

      44 ohms

    • D. 

      68.75 ohms

  • 12. 
    • A. 

      Parallel portion of the circuit and divides according to component resistance in the series portion

    • B. 

      Series part of the circuit and divides according to branch resistance in the parallel portion

    • C. 

      Parallel portion of the circuit and increases according to component resistance in the series portion

    • D. 

      Series part of the circuit and increases according to component resistance in the parallel portion

  • 13. 
    What is the total current in a series-parallel circuit that has a total voltage of 48 volts (v), a series current of 6 amps (a), one branch current of 2a, and the other branch resistance of 3 ohms?
    • A. 

      3a

    • B. 

      6a

    • C. 

      8a

    • D. 

      12a

  • 14. 
    The area around a magnet where its influence can be felt is the definition of the
    • A. 

      Saturation principle

    • B. 

      Magnetic theory

    • C. 

      Magnetic field

    • D. 

      Law of attraction and repulsion

  • 15. 
    The magnetism that remains after the magnetizing force has been removed is known as
    • A. 

      Electromagnetism

    • B. 

      Molecular magnetism

    • C. 

      Permeability

    • D. 

      Residual magnetism

  • 16. 
    The magnetic field of an electromagnet can be varied by changing the
    • A. 

      Type of core

    • B. 

      Number of turns in the coil

    • C. 

      Amount of current through the coil

    • D. 

      All of the above

  • 17. 
    The electromechanical generation of a voltage requires a magnetic field, relative motion, and
    • A. 

      A complete circuit

    • B. 

      A conductor

    • C. 

      An insulator

    • D. 

      A load

  • 18. 
    In a simple generator, which would be the most difficult method to increase the output?
    • A. 

      Increase the area of the conductor

    • B. 

      Increase the amount of motion

    • C. 

      Increase the strength of the magnetic field

    • D. 

      Increase the relative resistance

  • 19. 
    The principle behind all electromechanical generation is
    • A. 

      Conduction

    • B. 

      Commutation

    • C. 

      Rectification

    • D. 

      Electromagnetic induction

  • 20. 
    An inductor stores energy in the form of
    • A. 

      Heat

    • B. 

      Resistance

    • C. 

      A magnetic field

    • D. 

      An electrostatic field

  • 21. 
    The process by which a current change in one coil produces a voltage in another coil is called
    • A. 

      Inductance

    • B. 

      Self-induction

    • C. 

      Mutual induction

    • D. 

      None of the above

  • 22. 
    A transformer will change all of the following except
    • A. 

      Power

    • B. 

      Current

    • C. 

      Voltage

    • D. 

      Resistance

  • 23. 
    Normally, the winding of a transformer that is connected to a power source is known as the
    • A. 

      Field winding

    • B. 

      Primary winding

    • C. 

      Current winding

    • D. 

      Secondary winding

  • 24. 
    A relay is an electrically operated
    • A. 

      Meter

    • B. 

      Motor

    • C. 

      Switch

    • D. 

      Safety device

  • 25. 
    A relay that once energized, requires a second coil to be energized before the contacts will return to their original positions is called a
    • A. 

      Locking relay

    • B. 

      Latching relay

    • C. 

      Timing relay

    • D. 

      Tripping relay

  • 26. 
    A capacitor stores energy in the form of
    • A. 

      Heat

    • B. 

      Resistance

    • C. 

      A magnetic field

    • D. 

      An electrostatic field

  • 27. 
    In a capacitor, the dielectric is the
    • A. 

      Positive lead

    • B. 

      Conductor

    • C. 

      Insulator

    • D. 

      Outer case

  • 28. 
    Opposition of a capacitor to alternating current (AC) is called
    • A. 

      Inductive reactance

    • B. 

      Impedance

    • C. 

      Capacitive reactance

    • D. 

      Capacitance

  • 29. 
    The factors which determine the time required to charge a capacitor are the capacitance and the
    • A. 

      Applied voltage

    • B. 

      Circuit current

    • C. 

      Amount of resistance

    • D. 

      Type of dielectric

  • 30. 
    Expanding or contracting the depletion region of a diode is called
    • A. 

      Basing

    • B. 

      Gating

    • C. 

      Spiking

    • D. 

      Biasing

  • 31. 
    A diode placed in a circuit in reverse bias is being used as
    • A. 

      A spike protector

    • B. 

      An amplifier

    • C. 

      A regulator

    • D. 

      A rectifier

  • 32. 
    A zener will conduct in reverse bias
    • A. 

      For a second or two at a time

    • B. 

      Until gate potential has been reached

    • C. 

      Once the avalanche point has been reached

    • D. 

      Until the breakdown point has been reached

  • 33. 
    A zener being used as a regulator must have a resistor placed in the circuit in
    • A. 

      Series

    • B. 

      Parallel

    • C. 

      Reverse bias

    • D. 

      Series-parallel

  • 34. 
    A Light Emitting Diode (LED) produces light when it is
    • A. 

      Gated

    • B. 

      Neutral

    • C. 

      Forward biased

    • D. 

      Reverse biased

  • 35. 
    What is the approximate operating voltage of a Light Emitting Diode (LED)?
    • A. 

      .5 volts

    • B. 

      .1 volts

    • C. 

      1.6 volts

    • D. 

      2.4 volts

  • 36. 
    The Silicon Controlled Rectifier (SCR) has how many PN junctions?
    • A. 

      One

    • B. 

      Two

    • C. 

      Three

    • D. 

      Four

  • 37. 
    An Silicon Controlled Rectifier (SCR) is mainly used as
    • A. 

      A fuse

    • B. 

      Spike protection

    • C. 

      A circuit breaker

    • D. 

      An electronic switch

  • 38. 
    • A. 

      Emitter-base junction

    • B. 

      Emitter-source junction

    • C. 

      Base-collector junction

    • D. 

      Emitter-collector junction

  • 39. 
    In normal operation, the emitter-base junction of a transistor is
    • A. 

      A balanced potential

    • B. 

      Forward biased

    • C. 

      Reverse bias

    • D. 

      At zero potential

  • 40. 
    The transistor circuit that provides the main path for current flow is the
    • A. 

      Emitter-base circuit

    • B. 

      Emitter-source circuit

    • C. 

      Base-collector circuit

    • D. 

      Emitter-collector circuit

  • 41. 
    The tab on the case of a Unijunction Transistor (UJT) indicates the
    • A. 

      Base lead

    • B. 

      Gate lead

    • C. 

      Emitter lead

    • D. 

      Collector lead

  • 42. 
    What determines the amount of potential required to forward bias a Unijunction Transistor (UJT)?
    • A. 

      Pinch-off voltage

    • B. 

      Voltage gradient

    • C. 

      Input impedance

    • D. 

      Intrinsic stand-off ratio

  • 43. 
    What component uses voltage to control the size of the current flow channel?
    • A. 

      UJT

    • B. 

      SCR

    • C. 

      LED

    • D. 

      FET

  • 44. 
    In a field-effect transistor (FET) symbol, the arrow always points to the
    • A. 

      P-type material

    • B. 

      N-type material

    • C. 

      P-N junction

    • D. 

      Positive voltage potential

  • 45. 
    Which semi-conductor device has a gate that is not electrically connected to the rest of the device?
    • A. 

      SCR

    • B. 

      JFET

    • C. 

      MOSFET

    • D. 

      UJT

  • 46. 
    Which type of field-effect transistor (FET) has no built-in connection between the source and drain?
    • A. 

      JFET

    • B. 

      IGFET

    • C. 

      Dual-gate MOSFET

    • D. 

      Induced channel MOSFET

  • 47. 
    A Metal Oxide Varistor (MOV) is made up of how many semi-conductors?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 48. 
    The best method of troubleshooting is the
    • A. 

      Systematic method

    • B. 

      Instantaneous method

    • C. 

      Hit-and-miss method

    • D. 

      Trial-and-error method

  • 49. 
    Which troubleshooting aid is designed to promote understanding of the system?
    • A. 

      Zones

    • B. 

      Schematic

    • C. 

      Wiring diagram

    • D. 

      Reference designation index

  • 50. 
    Which troubleshooting aid is designed to aid you if you see an unfamiliar symbol?
    • A. 

      Zones

    • B. 

      Schematic

    • C. 

      Wiring diagram

    • D. 

      Reference designation index

  • 51. 
    Which troubleshooting aid is designed to aid you in finding components on a diagram?
    • A. 

      Zones

    • B. 

      Schematic

    • C. 

      Wiring diagram

    • D. 

      Reference designation index

  • 52. 
    The bar graph of the 8025A multimeter gives
    • A. 

      An analog reading

    • B. 

      A digital display

    • C. 

      The operating mode

    • D. 

      The range indication

  • 53. 
    When performing a continuity check on a wire using the diode test mode, a good wire will register
    • A. 

      OL

    • B. 

      Zero

    • C. 

      Infinity

    • D. 

      A beep

  • 54. 
    To ensure accuracy of an oscilloscope when preparing for operation you should always,
    • A. 

      Zero the display

    • B. 

      Center the display

    • C. 

      Identify the cal point and adjust to zero

    • D. 

      Identify the cal point and calibrate the display

  • 55. 
    How many Junctions are checked to test the serviceability of a transistor?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 56. 
    A heat sink is used in soldering to
    • A. 

      Prevent heat from damaging the component being soldered

    • B. 

      Prevent heat from damaging other components in the circuit

    • C. 

      Apply heat to the component being soldered

    • D. 

      Apply heat to other components in the circuit

  • 57. 
    A pitted or worn soldering iron tip should be redressed with a flat, fine single-cut file and should be
    • A. 

      Tinned

    • B. 

      Clean of solder

    • C. 

      Replaced

    • D. 

      Checked for length

  • 58. 
    Which procedure should you observe when working with electrostatic sensitive devices?
    • A. 

      Handle electrostatic sensing devices by their pins

    • B. 

      Remove jackets or sweaters near a electrostatic sensitive device

    • C. 

      Make sure all electrostatic sensitive devices are properly marked

    • D. 

      Ground the electrostatic sensitive device by sliding it across a plastic surface prior to use

  • 59. 
    How can you identify an electrostatic sensitive device?
    • A. 

      The package will have special coloring as specified in local directives

    • B. 

      The package will have a special control number as specified in local directives

    • C. 

      It will be marked with the MIL-STD-129 symbol or a caution marking

    • D. 

      It will be marked with the MIL-SPC-235 symbol or a warning marking

  • 60. 
    When soldering flat perforated terminals, the conductor is connected to the terminal using a
    • A. 

      90 degree wrap

    • B. 

      180 degree wrap

    • C. 

      270 degree wrap

    • D. 

      360 dgree wrap

  • 61. 
    A wire is inserted into a solder cup until the
    • A. 

      Wire touches the bottom

    • B. 

      Wire clears the top of the cup

    • C. 

      Insulation touches the cup

    • D. 

      Wire protrudes from the weep hole

  • 62. 
    A good solder cup connection shows the
    • A. 

      Insulation

    • B. 

      Solder flux

    • C. 

      Wire number

    • D. 

      Contour of the wire

  • 63. 
    The best method of repairing a lifted circuit track on a printed circuit board (PCB) is to
    • A. 

      Bond it

    • B. 

      Glue it

    • C. 

      Replace it with bare wire

    • D. 

      Replace it with insulated wire

  • 64. 
    A major cause of shorts on printed circuit boards (PCB) is
    • A. 

      Lifted circuit tracks

    • B. 

      Careless soldering

    • C. 

      Static electricity

    • D. 

      Cracked circuit tracks