Airframe ASA questions

RPM

What is the frequency of an alternator dependent upon?

field assembly.

The pole pieces or shoes used in a DC generator are a part of the

the anticollision light can be operated independently of the position lights.

During inspection of an anticollision light installation for condition and proper operation, it should be determined that

current-carrying capacity and allowable voltage drop.

The primary considerations when selecting electric cable size are

opening the shunt field circuit.

The overvoltage control automatically protects the generator system when excessive voltage is present by

both 1 and 2 are true.

(1) A DC selsyn system is a widely used electrical method of indicating a remote mechanical movement or position.
(2) A synchro-type indicating system is an electrical system used for transmitting information from one point to another.
Regarding the above statements,

Integrated circuit chip having a clock circuit.

What is the most accurate type of frequency measuring instrument?

A friction brake is applied by a spring and released by a magnet.

How does the magnetic brake used to stop rotation of an electric motor armature operate?

Ground safety switch.

What safety device is actuated by the compression and extension of a landing gear strut?

field shoes.

Residual voltage is a result of magnetism in the

strength of the magnetic field.

The only practical method of maintaining a constant voltage output from an aircraft generator under varying conditions of speed and load is to vary the

varying current flow to generator field coil.

A voltage regulator controls generator output by

a switch in the cockpit.

Antiskid braking systems are generally armed by

a permanent magnet.

The rotor in a Magnesyn remote indicating system uses

Equal to the width of the mica.

To what depth is the mica insulation between the commutator bars of a DC generator undercut?

depends on the load carried by the generator.

If a generator is equipped with a vibrator-type voltage regulator, the actual time the voltage regulator points remain open

residual voltage.

If the positive field lead between a generator and a generator control panel breaks and is shorted while the engine is running, a voltmeter connected to generator output would indicate

a variable hydraulic pump and hydraulic motor.

A CSD unit drives a generator through the use of

motor can be operated in either direction.

Some electric motors have two sets of field windings wound in opposite directions so that the

resistance of the generator field circuit.

A voltage regulator controls generator voltage by changing the

Amperes at rated voltage.

How are generators rated?

squat switch is open.

In the air with the antiskid armed, current cannot flow to the antiskid control box because the landing gear

show very low resistance if it is a series field coil.

When using an ohmmeter to check the continuity of a generator field coil, the coil should

oil spray.

CSD generators are usually cooled by

Three.

How many cycles of AC voltage are produced in a six-pole alternator of the revolving-field type for each revolution of the rotor?

increasing the output of the low generator and decreasing the output of the high generator until they are equal.

When DC generators are operated in parallel to supply power for a single load, their controls include an equalizer circuit to assure that all generators share the load equally. The equalizer circuit operates by

Gear downlock microswitch.

Which repair would require a landing gear retraction test?

dc stator field current.

The inductor-type inverter output voltage is controlled by the

Landing light retraction motor.

Which motor would be most likely to have an armature brake?

No. 6

Which of the following copper electrical cable sizes should be selected to replace a No. 6 aluminum electrical cable?

rotor.

The basic difference between an autosyn and a magnesyn indicating system is the

should not be used as circuit protective devices.

In aircraft electrical systems, automatic reset circuit breakers

parallel.

To help minimize radio interference a capacitor will largely eliminate and provide a steady direct current if the capacitor is connected to the generator in

sequence valves.

In most modern hydraulically actuated landing gear systems, the order of gear and fairing door operation is controlled by

input voltage must be maintained at a constant value.

When using the voltage drop method of checking circuit resistance, the

100%

In installations where the ammeter is in the generator or alternator lead, and the regulator system does not limit the maximum current that the generator or alternator can deliver, the ammeter can be redlined at what percent of the generator or alternator rating?

How should a coaxial cable be routed?

As directly as possible.

an electromagnet.

The rotor in an Autosyn remote indicating system uses

cross-sectional area.

In the American Wire Gauge (AWG) system of numbers used to designate electrical wire sizes, the number assigned to a size is related to its

Reduce field strength.

Which of the following is NOT one of the purposes of interpoles in a generator?

circuits each pole can complete through the switch.

A certain switch is described as a single-pole, double-throw (SPDT) switch. The throw of a switch indicates the number of