Part66EASA Module4.3aServomechanism(3of4)

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Part66EASA Module4.3aServomechanism(3of4)

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In a resolver synchro the stator windings are electrically disposed by.

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90°.

120°.

180°.

A resolver synchro output is obtained from a rotor with.

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one single coil.

two coils at 90° to each other.

three coils at 120° to each other.

To reduce oscillations about a demand position.

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the amount of velocity feedback would be increased.

the amount of velocity feedback would be decreased.

the amount of position feedback would be increased.

Differential transmitters are used to.

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add or subtract two electrical signals.

add or subtract a mechanical signal to an electrical synchro signal.

increase the operating speed of the synchro receiver.

Correct Answer is. add or subtract a mechanical signal to an electrical synchro signal.

The rotor of a magnesyn transmitter is.

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a permanent magnet.

an ac electromagnet.

a dc electromagnet.

Torque synchro systems are normally used when the.

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system accuracy is of extreme importance.

mechanical load is high.

mechanical load is low.

An increase in negative feedback to the servo amplifier.

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has no effect.

increases amplifier stability.

decreases amplifier stability.

What device transfers one energy type to another?.

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Transponder.

Transducer.

Transmitter.

A differential synchro transmitter used for addition has.

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the TDX S1 and S3 connections cross connected to the TX.

the TDX S1 and S3 connections cross connected to the TR.

the TDX R1, R3 and S1, S3 connections cross connected to the TX.

The output of a resolver synchro is.

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dependant upon the position of the rotor only.

proportional to the speed of input rotation.

a function of the rotor position and excitation voltage.

In a synchro resolver, the stator coils are at what angle in relation to one another?.

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45 degrees.

80 degrees.

90 degrees.

A differential synchro rotor consists of.

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two windings at 90° apart.

one winding parallel to the transmitter rotor.

three windings at 120° apart.

The rotor of an autosyn position indicating system is.

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a permanent magnet.

spring controlled.

an electromagnet.

When resolving a Cartesian input to a Polar output.

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the outputs are two voltages.

the inputs are a shaft angle and a voltage.

the inputs are two voltages.

Electrical power is supplied to a synchro rotor.

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through slip rings.

through a commutator.

directly.

Positive feedback applied to a servomechanism.

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increases the response of the system.

opposes the demand signal.

decreases the response of the system.

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