CDC 2A652N - Volume 3 - Prime Movers and Generation

1

To change electrical energy to mechanical energy is the purpose of a

1

Electrical contact between the stationary and rotating parts of a motor is the function of the

1

Torque is defined as

1

In a series-wound direct current (DC) motor, speed is dependent on the

1

The relationship between slip and torque can best be described as more

1

The three-phase induction motor does not require

1

To reverse the direction of rotation of a three-phase inductive motor, you must reverse

1

The stator windings of a synchronous motor are spaced

1

The rotation speed of a synchronous motor is controlled by the

1

During an inspection of a direct current (DC) motor, check the brushes for

1

When you check the concentricity of a commutator or slip rings, look for

1

When using a troubleshooting chart, what are you not likely to find?

1

Most troubleshooting on a motor can be done using a

1

Perform an operational check of the unit

1

The component most likely to be damaged by poorly filtered fuel is the

1

The type of injector that is operated by a rocker arm is

1

Aside from idle speed, the limiting speed governor through the use of flyweights and spring tension controls

1

A lubricant performs which function when it deposits particles of dirt in the oil sump?

1

What component holds a large amount of coolant in close contact with a large volume of air?

1

Which liquid cooling system component circulates the coolant?

1

One of the impellers within a blower on a diesel engine is normally driven

1

What must be accomplished to supercharge a diesel engine?

1

The filtration step protects the diesel engine fuel system from

1

The best step in preventing abnormal amounts of carbon, moisture, and sludge buildup in a diesel engine, is to

1

When performing a compression test, measuring pounds per square inch (psi), the maximum allowable deviation between cylinders is

1

If the drive shaft for the oil pump assembly in a gas turbine engine becomes sheared, what other component is rendered inoperative?

1

In the gas turbine engine, cooling air for the transformer rectifier is provided by the

1

During gas turbine engine operation, the air is accelerated by the

1

During operation of a turbine engine, fuel and air are mixed and ignited in the

1

In the operation of a turbine engine, energy is extracted from the burning gases by the

1

The boost pump on the gas turbine engine provides fuel to the

1

Lubrication system pressure in the turbine engine is regulated through a

1

Gas turbine compressor (GTC) operation with insufficient oil pressure is prevented by the

1

During turbine engine operation, oil loss into the airflow system is prevented by the

1

If the gas turbine compressor (GTC) load control butterfly valve opens too slowly or too quickly, what is the most probable cause of the malfunction?

1

In the turbine engine, rupture of the rate diaphragm is prevented by the

1

Prior to operating any aerospace ground equipment (AGE), you should perform

1

During a preoperational inspection of a gas turbine engine, you check the intake and exhaust for

1

Normal acceleration characteristics of the gas turbine compressor (GTC) include

1

Before you load and after you unload the gas turbine compressor (GTC), allow the engine to operate unloaded to

1

When you operate a unit to determine the validity of an entry on the maintenance record form, what step in effective troubleshooting are you performing?

1

While troubleshooting the gas turbine compressor (GTC), if you discover there is no oil pressure and the oil filter is dirty, changing the oil filter will not correct the problem because the

1

If no oil pressure is available from the main oil pump assembly on the gas turbine compressor (GTC), you should replace the

1

Which causes gray or white smoke to pour from the exhaust stack on the gas turbine compressor (GTC)?

1

In the gas turbine compressor (GTC), if large amounts of oil are forced through the air-oil seals, the most probable cause is a defective

1

Which could cause the butterfly valve to oscillate (continually open and close)?

1

Which three things are necessary to produce an electromotive force (EMF) mechanically?

1

To increase the output of a generator, you must increase the

1

What result is achieved by replacing the single rotating conductor of a simple direct current (DC) generator with many coils of wire wound on the same shaft?

1

The rotor of an alternating current (AC) generator consists of the slip rings and

1

Control of the output voltage of an alternating current (AC) generator is accomplished by varying the

1

In an alternating current (AC) generator, the output frequency is often more critical than the output

1

In a three-phase alternating current (AC) generator, direct current (DC) is applied to the field windings through the brushes and

1

Three different loads can be supported at the same time by a

1

The self-excited alternating current (AC) generator provides its own field current from a built-in

1

When a load is applied to a self-excited alternating current (AC) generator, exciter field resistance will

1

The weak points of the self-excited alternating current (AC) generator are the

1

In the brushless alternating current (AC) generator, what provides necessary excitation current?

1

What type of loads can be applied to a generator under test by the A/M24T–8 electrical test set?

1

The A/M24T–8 electrical test set is capable of testing

1

What circuit on the A/M24T–8 load bank is used to check the performance of three-phase alternators?

1

What occurs when the load selection switches on the A/M24T–8 load bank are closed?

1

Before connecting a generator set to the load bank, you should

1

When using a load bank to test a generator, follow the procedures outlined in the

1

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

1

What maximum alternating current (AC) resistive load can the portable load bank apply to a generator?

1

When performing a phase-one periodic inspection (PE), you are going to do a

1

The resistive elements on the A/M24T–8 test set are best cleaned by

1

On an A/M24T–8 electrical test set, what would prevent the fan motors from operating?

1

The governor of the A/M32A–60A generator set is controlled directly by the

1

What is used as a reference for controlling A/M32A–60A engine speed?

1

If the oil pressure switch opens during operation of A/M32A–60A, during which period does it stop operation?

1

On the A/M32A–60A, which chambers of the load control valve work together to ensure the butterfly valve opens smoothly?

1

Power for starting the A/M32A–60A is provided by

1

In the event of an overspeed condition, what component of the A/M32A–60A generator electrical system stops the engine?

1

The A/M32A–60A generator set cannot be loaded either electrically or pneumatically until after the

1

The component of the A/M32A–60A that opens and closes the fuel transfer line is the fuel

1

After the A/M32A–60A generator set has shut itself down due to low fuel, the fuel level relay, K4, must be reset by

1

What does the alternating current (AC) voltage regulator of the A/M32A–60A use to determine the amount of adjustment the generator output needs?

1

When is 28 volts direct current (VDC) applied to E pin of the alternating current (AC) cable?

1

On the A/M32A–60A generator, what stops battery charging when the batteries are fully charged and prevents discharge when the unit is shut down?

1

On the A/M32A–60A, when the direct current (DC) contactor is in the closed position, the DC ammeter indicates

1

How often are service inspections required?

1

After the A/M32A–60A generator set has reached 95 percent of governed speed, the operator should

1

When troubleshooting, the actual location of a terminal connection on the unit can best be found by using

1

To find out where a wire is connected, you should consult the

1

What component of the A/M32A–86D energizes to send power to the fuel gauge during operation?

1

What is the purpose of the protective circuits of the A/M32A–86D?

1

How long can you operate the starter on the A/M32A–86D before letting it cool?

1

When troubleshooting any electrical system, you can locate a starting point by first finding the

1

What position must the alarm switch on the EPU–6/E frequency converter be placed prior to operation?

1

What indicator on the EPU–6/E frequency converter indicates an under voltage condition?

1

What component on the EPU–6/E frequency converter controls the timing and firing of the silicon controlled rectifier (SCR)?

1

Before using the EPU–6/E frequency converter, you must inspect the

1

What problem is indicated by a flashing red over/under voltage indicator light on the EPU– 6/E frequency converter?

1

What printed circuit (PC) card controls the cold-starting aid on the B809A generator set?

1

What signal powers the regulator card output pulse sent to the exciter field of the B809A generator?

1

What condition is sensed by the direct current (DC) card on the B809A generator set?

1

During high-voltage operation of the B809A generator set, what action occurs to prevent the direct current (DC) contactors from closing?

1

If you have a loss of residual magnetism in the exciter field poles, what should you do