Electrical Control Systems MCQ Questions & Answers

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Each section contains 100 MCQs on Electrical Control Systems .

Which of the following is the definition of proportional band of a controller ?

A) The range of air output as measured variable varies from maximum to minimum B) The range of measured variables from set value C) The range of measured variables through which the air output changes from maximum to minimum D) Any of the above E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

has tendency to oscillate.

A) Open loop system B) Closed loop system C) Both (A) and (B) D) Neither (A) nor (B)

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

An amplidyne can give which of the following characteristics ?

A) Constant current B) Constant voltage C) Constant current as well as constant voltage D) Constant current, constant voltage and constant power E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In a control system the output of the controller is given to

A) Final control element B) Amplifier C) Comparator D) Sensor

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

technique is not applicable to nonlinear system ?

A) Nyquist Criterion B) Quasi linearization C) Functional analysis D) Phase-plane representation

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A phase lag lead network introduces in the output

A) lag at all frequencies B) lag at high frequencies and lead at low frequencies C) lag at low frequencies and lead at high frequencies D) none of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The capacitance, in force-current analogy, is analogous to

A) momentum B) velocity C) displacement D) mass

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The viscous friction co-efficient, in force-voltage analogy, is analogous to

A) charge B) resistance C) reciprocal of inductance D) reciprocal of conductance E) none of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Mass, in force-voltage analogy, is analogous to

A) charge B) current C) inductance D) resistance

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

A differentiator is usually not a part of a control system because it

A) reduces damping B) reduces the gain margin C) increases input noise D) increases error

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Electrical Control Systems MCQ Questions & Answers | Electrical Engineering