2A652 CDC EOC Practice Quiz

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2a652 Quizzes & Trivia

2A652 CDC EOC Practice Quiz


Questions and Answers
  • 1. 
    The effect of noise depends on the
    • A. 

      Deflection, frequency, and volume

    • B. 

      Frequency, volume, and duration of exposure

    • C. 

      Deflection, volume, and duration of exposure

    • D. 

      Deflection, frequency, and duration of exposure

  • 2. 
    How many valence electrons are needed to make a good conductor?  
    • A. 

      3

    • B. 

      4

    • C. 

      5

    • D. 

      6

  • 3. 
    After shutdown a motor continues turning; this is known as  
    • A. 

      Inertia

    • B. 

      Impedance

    • C. 

      Inductance

  • 4. 
    What component on the New Generation Heater activates the heater control unit(HCU)?  
    • A. 

      Heater Control Switch

    • B. 

      Burner Control Switch

    • C. 

      Thermostatic Sensor

    • D. 

      Oil Pressure Switch

  • 5. 
    Diagonal cutting pliers are designed to cut  
    • A. 

      Bolts

    • B. 

      Rivets

    • C. 

      Small wire

    • D. 

      Hard steel

  • 6. 
    “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

  • 7. 
    The first step of troubleshooting heating equipment is  
    • A. 

      Isolation

    • B. 

      Analysis

    • C. 

      Verification

    • D. 

      Recognition

  • 8. 
    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

  • 9. 
    The stator windings of a synchronous motor are wound
    • A. 

      20 degrees apart

    • B. 

      30 degrees apart

    • C. 

      90 degrees apart

    • D. 

      120 degrees apart

  • 10. 
    “Dielectric” is the term used for
    • A. 

      Conductors

    • B. 

      Insulators

    • C. 

      Doped atoms

    • D. 

      Semi-conductors

  • 11. 
    Torque is defined as
    • A. 

      Horsepower

    • B. 

      Wattage

    • C. 

      Rotational force

    • D. 

      Opposition to applied voltage

  • 12. 
    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

  • 13. 
    The size of a screwdriver is determined by the shank
    • A. 

      Width

    • B. 

      Temper

    • C. 

      Weight

    • D. 

      Length

  • 14. 
    If you need to find out how to perform any maintenance required during an inspection, you should refer to the
    • A. 

      PE workcards

    • B. 

      -1 TO

    • C. 

      Methods and procedures TO

    • D. 

      Service inspection workcards

  • 15. 
    What component on the MA-3D air conditioner allows the operator to control the overall volume of air leaving the unit?
    • A. 

      Blower control switch

    • B. 

      Airflow control switch

    • C. 

      Evaporator control switch

    • D. 

      Temperature control switch

  • 16. 
    Which component is one of the major causes of failure in the DC motor?
    • A. 

      Rotor

    • B. 

      Slip ring

    • C. 

      Commutator

    • D. 

      Bearings

  • 17. 
    Which part of the torque wrench scale is normally not used?
    • A. 

      Lower 10%

    • B. 

      Upper 10%

    • C. 

      Lower 20%

    • D. 

      Upper 20%

  • 18. 
    The primary function of a nut is to
    • A. 

      Transmit the full design load to the adjoined member

    • B. 

      Provide an auxiliary locking or safety device

    • C. 

      Prevent vibration

    • D. 

      Provide an adjustment mechanism

  • 19. 
    When you check the concentricity of a commutator or slips rings, look for
    • A. 

      Wear

    • B. 

      Roundness

    • C. 

      Pitting

    • D. 

      Overheating

  • 20. 
    In a parallel circuit, the total voltage is equal to the
    • A. 

      Voltage across each branch

    • B. 

      Voltage across each resistor

    • C. 

      Sum of the voltage across each branch

    • D. 

      The reciprocal of the voltage across the resistances

  • 21. 
    Heat added to a gaseous substance is known as  
    • A. 

      Latent heat

    • B. 

      Sensible heat

    • C. 

      Super heat

    • D. 

      Specific heat

  • 22. 
    Replacement hardware decisions are based on
    • A. 

      Supervisor's preference

    • B. 

      Serviceability criteria

    • C. 

      Availability

    • D. 

      Cost

  • 23. 
    What is the total current in a series-parallel circuit that has a total voltage or 48 volts, a series current of 6 amps, one branch current of 2A, and the other branch resistance of 3 ohms?
    • A. 

      3A

    • B. 

      6A

    • C. 

      8A

    • D. 

      12A

  • 24. 
    The magnetism that remains after the magnetizing force has been removed is known as
    • A. 

      Residual magnetism

    • B. 

      Permeability

    • C. 

      Molecular magnetism

    • D. 

      Electromagnetism

  • 25. 
    If you must push a wrench rather than pull it, how should you do it?
    • A. 

      Use the base of your palm and hold your hand open

    • B. 

      Grip the wrench tightly with both hands

    • C. 

      Grasp the handle near the socket

    • D. 

      Grip the wrench tightly near the center

  • 26. 
    A good refrigerant would  
    • A. 

      Operate with low pressure

    • B. 

      Have a low boiling point

    • C. 

      Operate with low pressure, have a low boiling point, and not be poisonous

    • D. 

      Not be poisonous

  • 27. 
    Which induction motor has the highest starting torque?
    • A. 

      Split-phase

    • B. 

      Shaded pole

    • C. 

      Squirrel cage

    • D. 

      Capacitive-start

  • 28. 
    When using a troubleshooting chart, what are you not likely to find? 
    • A. 

      Analysis

    • B. 

      Remedies

    • C. 

      Sysmptoms

    • D. 

      Probable causes

  • 29. 
    What color code is given to pre-insulated terminals that can be used to determine wire sizes 18 through 22? 
    • A. 

      Blue

    • B. 

      Green

    • C. 

      Yellow

    • D. 

      Red

  • 30. 
    What is the most commonly used type of tubing in AGE applications?
    • A. 

      Pipe

    • B. 

      Pressure

    • C. 

      Copper

    • D. 

      Mechanical

  • 31. 
    The type of injector that is operated by a rocker arm is the
    • A. 

      Pressure

    • B. 

      Pintile

    • C. 

      Spray

    • D. 

      Mechanical

  • 32. 
    What types of fittings are designed for pressure systems below 3000 pounds per square inch (psi)?
    • A. 

      Flareless fittings

    • B. 

      Precision-type flared fittings

    • C. 

      Flared fittings

    • D. 

      Standard fittings

  • 33. 
    What is the total resistance of a parallel circuit with branch voltages of 440v and 440v and branch currents of 4a and 16a?
    • A. 

      44 ohms

    • B. 

      68.75 ohms

    • C. 

      22 ohms

    • D. 

      11 ohms

  • 34. 
    The DC voltmeter of the A/M32A-60A starts indicating as soon as the
    • A. 

      AC system is reset

    • B. 

      DC contactor is closed

    • C. 

      DC system is reset

    • D. 

      AC contactor is closed

  • 35. 
    On an A/M24T-8 electrical test set, what would prevent the fan motors from operating?
    • A. 

      Defective wind switch

    • B. 

      Shorted fuses

    • C. 

      Defective power supply rectifier

    • D. 

      CB1 stuck in the ON position

  • 36. 
    Which IMDS screen is used to create, add, and schedule events for equipment?
    • A. 

      073

    • B. 

      051

    • C. 

      127

    • D. 

      122

  • 37. 
    To test the load contactor, K1, using thest probes, the automatic-manual voltage control switch must be in which position?
    • A. 

      OFF

    • B. 

      MANUAL

    • C. 

      TEST

    • D. 

      AUTOMATIC

  • 38. 
    What determines the amount of potential required to forward bias a unijunction transistor?
    • A. 

      Voltage gradient

    • B. 

      Pinch-off voltage

    • C. 

      Intristic stand-off ratio

    • D. 

      Input impedance

  • 39. 
    Which IMDS screen is used to access all maintenance historical data against a particular job control number?
    • A. 

      129

    • B. 

      914

    • C. 

      907

    • D. 

      122

  • 40. 
    Expanding or contracting the depletion region of a diode is called
    • A. 

      Gating

    • B. 

      Spiking

    • C. 

      Basing

    • D. 

      Biasing

  • 41. 
    What technical order contains the periodic inspection section?
    • A. 

      Illustrated Parts TO

    • B. 

      Operation and service TO

    • C. 

      Overhaul TO

    • D. 

      Lubrication chart TO

  • 42. 
    Which maintenance levels are referred to as field maintenance?
    • A. 

      Depot and provisional

    • B. 

      Provisional and centralized

    • C. 

      Organizational and intermediate

    • D. 

      Centralized and depot

  • 43. 
    What component of the A/M32A-86D energizes to send power to the fuel gauge during operation?
    • A. 

      Hourmeter, M4

    • B. 

      Oil pressure switch, S46

    • C. 

      Oil pressure switch, S53

    • D. 

      Fuel oil pressure switch, S48

  • 44. 
    What maximum AC resistive load can be portable load bank apply to a generator?
    • A. 

      65 kilowatts

    • B. 

      80 kilowatts

    • C. 

      70 kilowatts

    • D. 

      75 kilowatts

  • 45. 
    Lubrication system pressure in the turbine engine is regulated through a
    • A. 

      Temperature regulator

    • B. 

      Pressure relief valve

    • C. 

      Filter bypass valve

    • D. 

      Flow check valve

  • 46. 
    In a brushless AC generator, what provides the gield current for the main AC generator section?
    • A. 

      Battery

    • B. 

      PMG

    • C. 

      Exciter Generator

    • D. 

      Main generator

  • 47. 
    When operating the New Generation Heater, turn the heat control switch to the desired position after
    • A. 

      Ample warm-up time

    • B. 

      A minimum of 45 seconds

    • C. 

      System voltage rises to 120 VAC

    • D. 

      The inside temperature reaches 140 degrees farenheight

  • 48. 
    The temperature controller on the MA-3D air conditioner modulates the water flow through what component during low ambient air temperatures?
    • A. 

      Condenser coil

    • B. 

      Refrigerant coil

    • C. 

      Expansion valve

    • D. 

      Aftercooler coil

  • 49. 
    Total current in a series circuit is equal to the
    • A. 

      Reciprocal of the current through one component

    • B. 

      Sum of the current through each component

    • C. 

      Reciprocal of the sum of the currents through each component

    • D. 

      Current through one component

  • 50. 
    You observe low cabin pressure reading during operation of the AF/M32T-1 cabin leakage tester a probable cause could be defective
    • A. 

      Rate valve

    • B. 

      Blower pressure gauge

    • C. 

      Cabin pressure gauge

    • D. 

      Flowmeter

  • 51. 
    Total current in a series parallel circuit remains the same throughout the
    • A. 

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

    • B. 

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

    • C. 

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

    • D. 

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

  • 52. 
    Which time compliance TCTO has circled red X's with alternately spaced red diagonals bordering the first page?
    • A. 

      Saftey

    • B. 

      Routine

    • C. 

      Urgent

    • D. 

      Immediate

  • 53. 
    • A. 

      Specific heat

    • B. 

      Super heat

    • C. 

      Sensible unit

    • D. 

      Latent heat

  • 54. 
    Which AFI serves the purpose of identifying basic Air Force subjects and assigned publication numbers?
    • A. 

      AFI 33-36

    • B. 

      AFI 36-3604

    • C. 

      AFI 33-360

    • D. 

      AFI 36-2903

  • 55. 
    Which troubleshooting aid is designed to aid you in finding components on a diagram?
    • A. 

      Schematic

    • B. 

      Wiring Diagram

    • C. 

      Zones

    • D. 

      Reference designation index

  • 56. 
    Which of these covers the concept and management of the USAF Technical Order system?
    • A. 

      00-5-15

    • B. 

      00-20-1

    • C. 

      00-20-2

    • D. 

      00-5-1

  • 57. 
    What determines the amount of potential required to forward bias a unijunction transistor (UJT)?
    • A. 

      Input impedance

    • B. 

      Intristic stand-off ratio

    • C. 

      Pinch-off voltage

    • D. 

      Voltage gradient

  • 58. 
    What is the relationship between the settings of the high pressure relief valve and the pressure compensator on the MJ-2A-1 hydraulic test stand?
    • A. 

      Relief valve is set 300 psi above required test setting

    • B. 

      Relief valve is set 500 psi above required test setting

    • C. 

      Compensator is set 300 psi above relief valve setting

    • D. 

      Compensator is set 500 psi above relief valve setting

  • 59. 
    • A. 

      No, the filter bypass valve is stuck open

    • B. 

      Yes

    • C. 

      No, the scavenge pump is not providing sufficient suction

    • D. 

      No, The oil pressure relief valve is stuck open

  • 60. 
    A metal oxide varistor (MOV) is made up of how many semi-conductors
    • A. 

      3

    • B. 

      2

    • C. 

      5

    • D. 

      4

  • 61. 
    What is the approximate operating voltage of a light emitting diode (LED)?
    • A. 

      1.6 volts

    • B. 

      2.4 volts

    • C. 

      .5 volts

    • D. 

      .1 volts

  • 62. 
    When using an A/M24T-8 electrical test set, when should the frequency and voltage selector switch be positioned to match input power?
    • A. 

      After the ABC indicator is illuminated

    • B. 

      Before applying power to the test set

    • C. 

      After the 28 VDC control signal indicator illuminates

    • D. 

      After applying power to the test set

  • 63. 
    Which inspection may be either scheduled or unscheduled?
    • A. 

      Operator's

    • B. 

      Special

    • C. 

      Service

    • D. 

      Periodic

  • 64. 
    What component uses voltage to control the size of the current flow channel?
    • A. 

      UJT

    • B. 

      FET

    • C. 

      LED

    • D. 

      SCR

  • 65. 
    In a simple generator, which would be the most difficult method to increase the output?
    • A. 

      Increase the amount of motion

    • B. 

      Increase the strength of the magnetic field

    • C. 

      Increase the area of the conductor

    • D. 

      Increase the relative resistance

  • 66. 
    A zener being used as a regulator must have a resistor placed in the circuit in
    • A. 

      Reverse-bias

    • B. 

      Parallel

    • C. 

      Series

    • D. 

      Series-parallel

  • 67. 
    What medium is used to cool the MC-2A rotary vane compressor?
    • A. 

      Water

    • B. 

      Oil

    • C. 

      Air

    • D. 

      Hydraulic Fluid

  • 68. 
    In a brushless AC generator, what provides the field current for the main AC generator section
    • A. 

      Battery

    • B. 

      Main generator

    • C. 

      Exciter Generator

    • D. 

      PMG

  • 69. 
    A Silicone Controlled Rectifier (SCR) is mainly used as
    • A. 

      Spike protection

    • B. 

      A fuse

    • C. 

      An electronic switch

    • D. 

      A circuit breaker

  • 70. 
    When using a troubleshooting chart, what are you not likely to find?
    • A. 

      Probable causes

    • B. 

      Analysis

    • C. 

      Remedies

    • D. 

      Symptoms

  • 71. 
    On the MC-2A rotary sliding vane compressor, what forces the oil through the oil cooler?
    • A. 

      Second stage air pressure

    • B. 

      Oil pump pressure

    • C. 

      First stage air pressure

    • D. 

      Scavenge pump pressure

  • 72. 
    How long can you operate the starter on the A/M32A-86D before letting it cool?
    • A. 

      60 seconds

    • B. 

      10 seconds

    • C. 

      30 seconds

    • D. 

      20 seconds

  • 73. 
    On the A/M32A-60A generator, the starter motor relay is deenergized when the 
    • A. 

      Start switch opens

    • B. 

      Start switch closes

    • C. 

      35 percent switch opens

    • D. 

      35 percent switch closes

  • 74. 
    Expanding or contraction the depletion region of a diode is called
    • A. 

      Biasing

    • B. 

      Basing

    • C. 

      Spiking

    • D. 

      Gating

  • 75. 
    What prevents over pressurization of the steering system of the MJ-1B bomblift?
    • A. 

      Bypass valve

    • B. 

      Pressure regulator

    • C. 

      Bleed valve

    • D. 

      Relief valve

  • 76. 
    The responsibility of a person to make good any loss, destruction, or damage of government property caused by misuse or neglect is what kind of liability?
    • A. 

      Pecuniary

    • B. 

      Property

    • C. 

      Command

    • D. 

      Personal

  • 77. 
    What controls the speed of retraction of the hydraulic cylinder assembly on the B-1 adjustable aircraft maintenance platform?
    • A. 

      The upper structure assembly

    • B. 

      A handle on the bypass valve

    • C. 

      The pump handle

    • D. 

      The flow control valve

  • 78. 
    The valves on a reciprocating compressor are operated by
    • A. 

      Electrical input

    • B. 

      Oil pressure

    • C. 

      Air pressure

    • D. 

      Pushrods

  • 79. 
    How many junctions are checked to test the serviceability of a transistor?
    • A. 

      3

    • B. 

      2

    • C. 

      1

    • D. 

      4

  • 80. 
    What component on the self generating nitrogen service cart (SGNSC) removes nitrogen from the ambient air?
    • A. 

      Carbon Absorber

    • B. 

      Booster Compressor

    • C. 

      Filters

    • D. 

      Separation Membrane

  • 81. 
    Output phase to phase voltage on three-phase AC generator is always
    • A. 

      240 volts

    • B. 

      108 volts

    • C. 

      208 volts

    • D. 

      120 volts

  • 82. 
    The component most likely to be damaged by cleaning solvent is the 
    • A. 

      Brushes

    • B. 

      Bearings

    • C. 

      Slip Rings

    • D. 

      Commutator

  • 83. 
    In a simple generator, which would be the most difficult method to increase the output?
    • A. 

      Increase the amount of motion

    • B. 

      Increase the relative resistance

    • C. 

      Increase the strength of the magnetic field

    • D. 

      Increase the area of the conductor

  • 84. 
    Opposition of a capacitor to alternation current (AC) is called
    • A. 

      Capacative Reactance

    • B. 

      Inductive Reactance

    • C. 

      Capacitance

    • D. 

      Impedance

  • 85. 
    If the unit technical order (TO) and workcards conflict during an inspection, the procedure you should follow is
    • A. 

      Unit TO information

    • B. 

      Workcard requirements

    • C. 

      Workcard requirements first, then TO information next

    • D. 

      Locally establish directives

  • 86. 
    Lubrication system pressure in the turbine engine is regulated through a
    • A. 

      Pressure relief valve

    • B. 

      Flow check valve

    • C. 

      Temperature regulator

    • D. 

      Filter bypass valve

  • 87. 
    The load section of the load control valve consists of
    • A. 

      Chambers 1 and 4

    • B. 

      Chambers 3 and 4

    • C. 

      Chambers 2 and 3

    • D. 

      Chambers 1 and 2

  • 88. 
    What component of the A/M32A-86D energizes to send power to the fuel gauge during operation?
    • A. 

      Hourmeter, M4

    • B. 

      Oil pressure switch, S46

    • C. 

      Oil pressure switch, S53

    • D. 

      Fuel oil pressure switch, S48

  • 89. 
    What controls the speed of retraction of the hydraulic cylinder assembly on the B-1 adjustable aircraft maintenance platform?
    • A. 

      A handle on the bypass valve

    • B. 

      The pump handle

    • C. 

      The flow control valve

    • D. 

      The upper structure assembly

  • 90. 
    After discovery of a deficiency, A Category 1 Product Quality Deficiency Report (PQDR) must be submitted to the screening point within
    • A. 

      5 calendar days

    • B. 

      10 calendar days

    • C. 

      2 calendar days

    • D. 

      24 Hours

  • 91. 
    The transistor circuit that provides the main path for current flow is the 
    • A. 

      Emitter-base circuit

    • B. 

      Emitter-collector circuit

    • C. 

      Emitter-source circuit

    • D. 

      Base-collector circuit

  • 92. 
    What component uses voltage to control the size of the current flow channel?
    • A. 

      SCR

    • B. 

      UJT

    • C. 

      FET

    • D. 

      LED

  • 93. 
    • A. 

      No, The oil pressure relief valve is stuck open

    • B. 

      No, the scavenge pump is not providing sufficient suction

    • C. 

      Yes

    • D. 

      No, the filter bypass valve is stuck open

  • 94. 
    • A. 

      Make sure all electrostatic sensitive devices are properly marked

    • B. 

      Handle electrostatic sensing devices by their pins

    • C. 

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

    • D. 

      Remove jackets or sweaters near an electrostatic sensitive device

  • 95. 
    Which step in utilizing the Integrated Maintenance Data System (IMDS) prevents unauthorized access to the database?
    • A. 

      Online processing

    • B. 

      LOGOFF

    • C. 

      Data entry

    • D. 

      LOGON

  • 96. 
    What technical Order (TO) gives information on preparing equipment for shipment?
    • A. 

      -3 technical manuals

    • B. 

      -4 technical manuals

    • C. 

      Factory manuals

    • D. 

      -1 technical manuals

  • 97. 
    The refrigerant on the air conditioner is always removed through the
    • A. 

      Purge valve

    • B. 

      Receiver outlet valve

    • C. 

      Discharge service valve

    • D. 

      Receiver inlet valve

  • 98. 
    During the operation of the EPU-6/E frequency converter the operator determines that one phase voltage is lower than the other two phases.  What could cause this malfunction?
    • A. 

      Burnt control transformer fuse

    • B. 

      Improper SCR firing adjustment

    • C. 

      Loose push-on connector on the output filter capacitor

    • D. 

      Malfunctioning Transistor

  • 99. 
    Which time compliance technical orders (TCTO) has circled red X's with alternately spaced red diagionals bordering the first page?
    • A. 

      Urgent

    • B. 

      Immediate

    • C. 

      Saftey

    • D. 

      Routine

  • 100. 
    Which causes gray or white smoke to pour from the exhaust stack on the GTC?
    • A. 

      Excessive engine exhaust temperature

    • B. 

      Exessive engine rpm

    • C. 

      Fuel mixing with the airflow

    • D. 

      Oil that enters the airflow system

  • 101. 
    To charge the reciever on the MC-2A air compressor, ensure the air control valve is closed and
    • A. 

      Open the receiver drain valve

    • B. 

      Close the receiver drain valve

    • C. 

      Let the engine idle

    • D. 

      Open the dehydrator drain valve

  • 102. 
    The flowmeter on the MJ-2A-1 hydraulic test stand shows fluid
    • A. 

      Flow in the high pressure system

    • B. 

      Flow in the return system

    • C. 

      Pressure in the high pressure system

    • D. 

      Pressure in the return system

  • 103. 
    The best step in preventing abnormal amounts of carbon, moisture, and sludge build-up in a diesel engine, is to
    • A. 

      Perform a preoperational check

    • B. 

      Operate the unit at idle speed for long periods of time

    • C. 

      Drain moisture from fuel system periodically

    • D. 

      Avoid operating the engine for extended periods at no-load

  • 104. 
    The valves on a reciprocating compressor are operated by
    • A. 

      Electrical input

    • B. 

      Oil pressure

    • C. 

      Air pressure

    • D. 

      Pushrods

  • 105. 
    What is the fluid capacity and system pressure of the hydraulic pump on the B-6, 10 ton hydraulic tripod jack?
    • A. 

      2.1 gallons at 2250 psi

    • B. 

      1.5 gallons at 2200 psi

    • C. 

      1.1 gallons at 2235 psi

    • D. 

      1.0 gallons at 1135 psi

  • 106. 
    • A. 

      Remove jackets or sweaters near a electrostatic sensitive device

    • B. 

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

    • C. 

      Make sure all electrostatic sensitive devices are properly marked

    • D. 

      Handle electrostatic sensing devices by their pins

  • 107. 
    The Principle behind all electromechanical generation is
    • A. 

      Commutation

    • B. 

      Rectification

    • C. 

      Electromagnetic induction

    • D. 

      Conduction

  • 108. 
    After the refrigerant leaves the compressor on the MA-#D air conditioner, it flows through the 
    • A. 

      Condenser coils

    • B. 

      Heat-sink coils

    • C. 

      Receiver inlet valve

    • D. 

      Evaporator coils

  • 109. 
    What component on the MA-3D air conditioner shuts off the compressors when refrigerant pressure entering the evaporator coil reaches 5 psi?
    • A. 

      Low pressure cutout

    • B. 

      Temperature control switch

    • C. 

      High pressure cutout

    • D. 

      Temperature controller

  • 110. 
    How often are service inspections required?
    • A. 

      After maintenance

    • B. 

      Once a week

    • C. 

      After equipment is placed on the ready line

    • D. 

      Once a day

  • 111. 
    What technical order (TO) contains the periodic inspection (PE) section?
    • A. 

      Illustrated Parts TO

    • B. 

      Lubrication chart TO

    • C. 

      Overhaul TO

    • D. 

      Operation and service TO

  • 112. 
    Which time compliance technical order (TCTO) has circled red X's with alternately spaced red diagionals bordering the first page?
    • A. 

      Routine

    • B. 

      Urgent

    • C. 

      Immediate

    • D. 

      Saftey

  • 113. 
    What component of the A/M32A-86D energizes to send power to the fuel gauge during operation?
    • A. 

      Hourmeter, M4

    • B. 

      Oil pressure switch, S53

    • C. 

      Fuel oil pressure switch, S48

    • D. 

      Oil pressure switch, S46

  • 114. 
    • A. 

      Ensure minimum pressure in the oil chamber

    • B. 

      Ensure minimum pressure to the felt pads

    • C. 

      Prevent receiver air from flowing back to the compressor

    • D. 

      Ensure minimum pressure to the condensate drain

  • 115. 
    The first step of troubleshooting heater equipment is
    • A. 

      Verification

    • B. 

      Isolation

    • C. 

      Analysis

    • D. 

      Recognition

  • 116. 
    • A. 

      4

    • B. 

      3

    • C. 

      2

    • D. 

      1

  • 117. 
    What part of an AC generator provides a connection between the rotating and stationary parts?
    • A. 

      Slip Rings

    • B. 

      Field Windings

    • C. 

      Commutator

    • D. 

      Armature

  • 118. 
    When filling and bleeding the system of the MJ-2A-1 hydraulic test stand, the resevoir selector valve must be in the
    • A. 

      Stand position

    • B. 

      Aircraft position

    • C. 

      External position

    • D. 

      Open position

  • 119. 
    In order for the A/M32A-86D to host a transformer rectifier, it must have a
    • A. 

      JHAR100B model voltage regulator

    • B. 

      K7 contactor installed

    • C. 

      JHAR100C model voltage regulator

    • D. 

      Larger capacity radiator

  • 120. 
    What medium is used to cool the MC-2A rotary vane compressor?
    • A. 

      Air

    • B. 

      Hydraulic Fluid

    • C. 

      Water

    • D. 

      Oil

  • 121. 
    After depot has repaired an item, they send copies of the Air Force Technical Order (AFTO) Form 375, Selected Support Equipment Repair Cost Estimate, to whom?
    • A. 

      MAJCOM

    • B. 

      Originating unit

    • C. 

      Inventory manager

    • D. 

      All of the above

  • 122. 
    A heat sink is used in soldering to
    • A. 

      Apply heat to the component being soldered

    • B. 

      Apply heat to the other components in the circuit

    • C. 

      Prevent heat from damaging the component being soldered

    • D. 

      Prevent heat from damaging other components in the circuit

  • 123. 
    Expanding or contracting the depletion region of a diode is called
    • A. 

      Spiking

    • B. 

      Biasing

    • C. 

      Gating

    • D. 

      Basing

  • 124. 
    • A. 

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

    • B. 

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

    • C. 

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

    • D. 

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

  • 125. 
    On the A/M32A-60A generator, the starter motor relay is deenergized when the
    • A. 

      Start switch opens

    • B. 

      35 percent switch closes

    • C. 

      Start switch closes

    • D. 

      35 percent switch opens

  • 126. 
    In a parallel circuit, the total voltage is equal to the
    • A. 

      The reciprocal of the voltage across the resistances

    • B. 

      Sum of the voltages across each branch

    • C. 

      Voltage across each branch

    • D. 

      Voltage across each resistor

  • 127. 
    On the basic rotary compressor, what prevents air from leaving the discharge port while the intake port is taking air in?
    • A. 

      Discharge valve

    • B. 

      Stationery Barrier

    • C. 

      Sliding Barrier

    • D. 

      Rotating Barrier

  • 128. 
    A material deficiency exhibit tag can be identified by it's
    • A. 

      Yellow color

    • B. 

      Green color

    • C. 

      Brown color

    • D. 

      White color

  • 129. 
    The flowmeter on the MJ-2A-1 hydraulic test stand shows fluid
    • A. 

      Pressure in the return system

    • B. 

      Pressure in the high pressure system

    • C. 

      Flow in the return system

    • D. 

      Flow in the high pressure system

  • 130. 
    What medium is used to cool the MC-2A rotary vane compressor?
    • A. 

      Air

    • B. 

      Oil

    • C. 

      Hydraulic Fluid

    • D. 

      Water

  • 131. 
    The Integrated Maintenance Data System (IMDS) concept of using predefined screens to request input is known as
    • A. 

      Screen processing

    • B. 

      Menu processing

    • C. 

      Desired screen

    • D. 

      Footer bar

  • 132. 
    What controls the speed of retraction of the hydraulic cylinder assembly on the B-1 adjustable aircraft maintenance platform?
    • A. 

      A handle on the bypass valve

    • B. 

      The flow control valve

    • C. 

      The upper structure assembly

    • D. 

      The pump handle

  • 133. 
    Which time compliance technical orders (TCTO) has circled red X's with alternately spaced red diagonals bordering the first page?
    • A. 

      Saftey

    • B. 

      Urgent

    • C. 

      Immediate

    • D. 

      Routine

  • 134. 
    The purpose of the cooing system thermostat is to maintain correct engine
    • A. 

      Coolant flow

    • B. 

      Operating temperature

    • C. 

      System pressure

    • D. 

      Coolant temperature

  • 135. 
    On the A/M32A-60A, the ignition coil is energized by the
    • A. 

      Fuel Level switch

    • B. 

      Oil pressure switch

    • C. 

      Turbine start switch

    • D. 

      35 percent switch

  • 136. 
    Oil in the rotary vane compressor
    • A. 

      Has high viscosity and is very inflammable

    • B. 

      Lubricates the connecting rods

    • C. 

      Permits it to be typed as a high pressure unit.

    • D. 

      Forms a seal between the vanes and the stator

  • 137. 
    What is the condition of the component bearing a red tag?
    • A. 

      Suspended

    • B. 

      Reparable

    • C. 

      Servicable

    • D. 

      Condemned

  • 138. 
    The responsibility of a person to make good any loss, destruction, or damage of government property caused by misuse or neglect is what kind of liability?
    • A. 

      Command

    • B. 

      Pecuniary

    • C. 

      Personal

    • D. 

      Property

  • 139. 
    The potential difference between two points in a circuit that exerts a force on free electrons is called
    • A. 

      Valence

    • B. 

      Conductivity

    • C. 

      Current

    • D. 

      Voltage

  • 140. 
    In a series-wound DC motor, speed is controlled by the
    • A. 

      Torque

    • B. 

      Load

    • C. 

      Armature

    • D. 

      Field Winding

  • 141. 
    The maximum amperage load the transformer rectifier pack can maintain is
    • A. 

      2500 amps for 30 seconds

    • B. 

      1050 amps for 30 seconds

    • C. 

      2050 amps for 30 seconds

    • D. 

      2000 amps for 30 seconds

  • 142. 
    To start the self generating nitrogen servicing cart (SGNSC) the operator must place the ignition switch in the start position for no more than
    • A. 

      5 seconds

    • B. 

      20 seconds

    • C. 

      15 seconds

    • D. 

      10 seconds

  • 143. 
    Air Force Technical Order (AFTO) Form 350 serves as
    • A. 

      A status and processing label.

    • B. 

      A marking and processing tag.

    • C. 

      An identification and processing tag.

    • D. 

      An identification and staus tag

  • 144. 
    If the unit technical order (TO) and workcards conflict during an inspection, the procedure you should follow is
    • A. 

      Unit TO information

    • B. 

      Workcard requirements

    • C. 

      Workcard requirements first, then TO information next

    • D. 

      Locally establish directives

  • 145. 
    What component on the MA-3D air conditioner shuts off the compressors when refrigerant pressure entering the evaporator coil reaches 5 psi?
    • A. 

      High pressure cutout

    • B. 

      Temperature controller

    • C. 

      Temperature control switch

    • D. 

      Low pressure cutout

  • 146. 
    The weak points of the self-excited AC generator are the
    • A. 

      Brushes, slip rings, and rotor

    • B. 

      Commutator, rotor, and slip rings

    • C. 

      Brushes, commutator, and rotor

    • D. 

      Brushes, slip rings and commutator

  • 147. 
    The best method of repairing a lifted circuit track on a printed circuit board (PCB) is to
    • A. 

      Bond it

    • B. 

      Replace it with insulated wire

    • C. 

      Glue it

    • D. 

      Replace it with bare wire

  • 148. 
    During a gas turbine engine operation, the air is accelerated by the
    • A. 

      Diffusers

    • B. 

      Deswirl Ring

    • C. 

      Exducers

    • D. 

      Impellers

  • 149. 
    What component of the A/M32A-60A stops the engine when the fuel supply gets low?
    • A. 

      Fuel level control relay, K26

    • B. 

      Fuel level switch, S20

    • C. 

      Fuel low level lockout switch, S18

    • D. 

      Fuel level relay, K4

  • 150. 
    How does rectification take place in brushless AC generator?
    • A. 

      Chemically

    • B. 

      Mechanically

    • C. 

      Electrically

    • D. 

      Magnetically

  • 151. 
    How often are service inspections required?
    • A. 

      After equipment is placed on the ready line

    • B. 

      Once a week

    • C. 

      After maintenance

    • D. 

      Once a day

  • 152. 
    A diode placed in a circuit in reverse bias is being used as
    • A. 

      A rectifier

    • B. 

      A spike protector

    • C. 

      A regulator

    • D. 

      An amplifier

  • 153. 
    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

  • 154. 
    An expected usage level is established for all bench items except
    • A. 

      Single issue items

    • B. 

      Unit package items

    • C. 

      Special requisition items

    • D. 

      Reparable items

  • 155. 
    Which Method and Procedures Technical Order (MPTO) series contains miscellaneous information such as static grounding?
    • A. 

      00-5 series

    • B. 

      00-20 series

    • C. 

      00-35 series

    • D. 

      00-25 series

  • 156. 
    What position must the alarm switch on the EPU-6/E frequency converter be placed prior to operation?
    • A. 

      Activate

    • B. 

      Off

    • C. 

      On

    • D. 

      Inactive

  • 157. 
    The maximum amperage load the transformer rectifier pack can maintain is
    • A. 

      2500 amps for 30 seconds

    • B. 

      2000 amps for 30 seconds

    • C. 

      1050 amps for 30 seconds

    • D. 

      2050 amps for 30 seconds

  • 158. 
    On the A/M32-60A which chambers of the load control valve work together to ensure the butterfly valve opens smoothly?
    • A. 

      Chambers 1 and 2

    • B. 

      Chambers 1 and 3

    • C. 

      Chambers 2 and 3

    • D. 

      Chambers 2 and 4

  • 159. 
    The heat that changes the state of a substance, yet does not affect the temperature is called
    • A. 

      Specific heat

    • B. 

      Latent heat

    • C. 

      Sensible heat

    • D. 

      Super heat

  • 160. 
    In the MJ-2A-1 hydraulic test stand, the output volume of the high pressure pump is controlled by the
    • A. 

      Flowmeter assembly

    • B. 

      Flow control valve

    • C. 

      Angle of the camplate

    • D. 

      Volume control

  • 161. 
    A good solder cup connection shows the
    • A. 

      Contour of the wire

    • B. 

      Insulation

    • C. 

      Wire number

    • D. 

      Solder flux

  • 162. 
    The type of inspection that requires the most tear down of specific components is the
    • A. 

      Special inspection

    • B. 

      Daily inspection

    • C. 

      Service inspection

    • D. 

      Periodic inspection

  • 163. 
    The control junction of a transistor is the
    • A. 

      Emitter-base junction

    • B. 

      Emitter-collector junction

    • C. 

      Emitter-source junction

    • D. 

      Base-collector junction

  • 164. 
    What does the AC regulator of the A/M32A-60 use to determine the amount of adjustment the generator output needs?
    • A. 

      DC voltmeter

    • B. 

      Generator output current

    • C. 

      Generator output voltage

    • D. 

      AC ammeter

  • 165. 
    What are the two classes of Air Force publications?
    • A. 

      Regulations and Manuals

    • B. 

      Supplements and Regulations

    • C. 

      Pamphlets and Manuals

    • D. 

      Field and Departmental

  • 166. 
    Preventative maintenance for corrosion includes
    • A. 

      Cleaning, inspecting, and marking

    • B. 

      Cleaning, marking, and painting

    • C. 

      Cleaning, inspecting, and painting

    • D. 

      Inspecting, marking and painting

  • 167. 
    Which time compliance technical order (TCTO) are issued to correct unsafe conditions that could result in serious or fatal injury to personnel?
    • A. 

      Saftey

    • B. 

      Urgent

    • C. 

      Routine

    • D. 

      Immediate

  • 168. 
    The self generating nitrogen servicing cart (SGNSC) is categorized as a
    • A. 

      Low-pressure air compressor

    • B. 

      High volume air compressor

    • C. 

      Low volume air compressor

    • D. 

      High-pressure air compressor

  • 169. 
    Which could cause the butterfly valve to oscillate (continually open and close)?
    • A. 

      Rate adjustment screw

    • B. 

      Pneumatic thermostat

    • C. 

      Hose Relief Valve

    • D. 

      Load Valve

  • 170. 
    What section of the Illustrated Parts Breakdown (IPB) contains an explanation of the coding used in the IPB?
    • A. 

      Section I. Introduction

    • B. 

      Section II. Group assembly parts list

    • C. 

      Section III. Numerical index

    • D. 

      Section IV. Reference disignation

  • 171. 
    The three-phase induction motor does not require
    • A. 

      Rotor

    • B. 

      Stator

    • C. 

      Starting Device

    • D. 

      Slip

  • 172. 
    What is the capacity of the overflow tank on the oil cart?
    • A. 

      1 Gallons

    • B. 

      2.5 Gallons

    • C. 

      3 Gallons

    • D. 

      2 Gallons