Exercise: Automatic Control Systems

Questions for: Automatic Control Systems

A stepper motor is essentially
A:
a synchronous motor
B:
induction motor
C:
dc motor
D:
either (b) or (c)
Answer: A
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A lag compensator provides attenuation in
A:
very low frequency range
B:
low frequency range
C:
high frequency range
D:
none of the above
Answer: C
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For a second order system, the position of poles is shown in the given figure. This system is
A:
undamped
B:
overdamped
C:
underdamped
D:
critically damped
Answer: C
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For the factor the corner frequency is
A:
0.5 rad/sec
B:
1 rad/sec
C:
2 rad/sec
D:
4 rad/sec
Answer: A
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Assertion (A): The time response, usually, is slower with lag compensation.

Reason (R): The natural undamped frequency and bandwidth are increased.

A:
Both A and R are correct and R is correct explanation of A
B:
Both A and R are correct but R is not correct explanation of A
C:
A is correct but R is wrong
D:
R is correct but A is wrong
Answer: D
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