The 2A652 Volume 3 CDC Pretest assesses knowledge on electrical motors, focusing on concepts such as inertia, torque, motor speed control, and starting torque. It's designed for learners to validate their understanding of motor operations and characteristics in an Air Force context.
Inertia
Impedance
Inductance
Eddy currents
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Correct defective components only
Rigid maintenance schedules
Periodic overhaul schedule
Preventive maintenance
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DC generator
Single-phase generator
Two-phase generator
Three-phase generator
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Generator TO and CDC
Load bank TO and CDC
Generator TO and load bank TO
Generator TO, load bank TO, and CDC
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Close the DC section cooling fan doors
Make sure input power cables are energized
Make sure all on-off switches are in the OFF postion
Place circuit breaker three phase shock load to ON position
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Spray
Pintle
Pressure
Mechanical
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Heat
Wear
Resistance
All of the above
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Radiator cap
Thermostat
Water pump
Radiator
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Blockage of airflow
Lube system malfunctions
Slipping belts on the blower
Abrasion by foreign particles
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AC generator
Starter motor
Tachometer generator
Fuel pump and control unit
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Flow chart
Wiring diagram
Schematic diagram
Reference designation list
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Horsepower
Wattage
Rotational force
Opposition to applied voltage
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Voltage check
Continuity test
Visual inspection
Current measurement
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Decrease noise
Allow for flameouts
Reduce thermal stress
Allow for positioning of the service hose
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AC power supplies only
DC power supplies only
AC and DC power supplies
AGE generator sets only
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Cooling
Sealing
Cleaning
Reducing friction
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Starter motor
Cooling fan
Fuel pump and control unit
Multiple centrifugal switch assembly
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Air-oil seals
Oil-tank baffels
Exhaust-vent line
Pressure-relief valve
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A thouough analysys of the unit
An equipment condition check
A weekly requirement
A daily requirement
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Avoid operating the engine for extended periods at no-load
Operate the unit a idle speed for ling periods of time
Drain moisture from fuel system periodically
Perform a preoperation check
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EMF, relative motion, and magnetic field
Magnet, lines of force, and relative motion
Magnetic field, conductor, and relative motion
CEMF, conductor, and magnetic field
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Impellers
Diffusers
Exducers
Deswirl ring
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Atomizer
Drain valve
Pneumatic control device
Acceleration limiter valve
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Leakage
Excess heat
Hairline cracks
Foreign objects
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20 degrees apart
30 degrees apart
90 degrees apart
120 degrees apart
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Slip
A totor
A stator
A starting device
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25 psi
50 psi
75 psi
100 psi
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Excessive engine rpm
Fuel mixing with the airflow
Oil that enters the airflow system
Excessive engine exhaust temperature
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Stop the unit
Prime the oil pump
Disconnect the load
Prime the fuel pump
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Protects the generator electrical system against damage whcih could result from an overload, overvoltage, undervoltage, over/underfrequency
Protects the aircraft electrical system against damage wchich could result from an overload, overvoltage, undercoltage, over/underfrequency
Senses fault conditions, stopping the engine
Senses fault conditions, stopping the generator
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Lower voltage requirement
High starting torque
A higher speed
Less weight
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Analysys
Remedies
Symptoms
Probable causes
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Brushes
Bearings
Slip rings
Commutator
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Governor
Fuel regulator
Acceleration limiter valve
Acceleration stabilizer solenoid
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Historical records
Maintenance records
Troubleshooting chart
Illustrated parts breakdown
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Impedance loads
Inductive loads
Variable loads
Reactive loads
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Automatically
By manual control
When the main tanks are empty
At regular predetermined time intervals
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65 Kilowatts
70 kilowatts
75 kilowatts
80 kilowatts
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From 0-35 percent
From 35-95 percent
From 95-100 percent
Anytime during operation
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A decrease in vibration after 35 percent
Sudden rumbling noises after 35 percent
Smooth and quiet acceleration
Burping
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Vent system
Cooling fan
Suction pump
Oil jet assembly
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Load
Torque
Armature
Field winding
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Capacitive-start
Squirrel cage
Shaded pole
Split-phase
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Wear
Pitting
Roundness
Overheating
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Blower
Intake valve
Exhaust valve
Turbulence chamber
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Brushes, slip rings, and rotor
Brushes, slip rings, and commutator
Commutator, rotor, and slip rings
Brushes, cummutator, and rotor
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Reset the AC system
Connect the power cables
Adjust the governed speed
Connect the bleed air duct
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Air inlets for blockage
Wiring for secure mounting
Maintenance panels for corrosion
Interior air vents for secure mounting
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Quiz Review Timeline (Updated): Mar 20, 2023 +
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