1000+ Control System Multiple Choice Questions and Answers PDf - 1

Question: 1

When the gain margin is positive and the phase margin is negative, the system is

(A) stable

(B) unstable

(C) probalistic

(D) underterministic

Ans: B

unstable

Question: 2

A servomechanism usually consist of

(A) power amplifier

(B) error actuated signal

(C) mechanical output

(D) all of the above

Ans: D

all of the above

Question: 3

_____ will increase the steady state accuracy?

(A) Phase lead compensator

(B) Phase lag compensator

(C) Differentiator

(D) Integrator

Ans: D

Integrator

Question: 4

A pneumatic amplifier

(A) amplifies change in air volume

(B) amplifies differential pressure

(C) amplifies flow

(D) any of the above

Ans: B

amplifies differential pressure

Question: 5

The temperature under thermal and electrical system analogy, is considered analogous to

(A) current

(B) capacitance

(C) charge

(D) voltage

Ans: D

voltage

Related Questions
Read More Engineering Topics