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Control Systems

The phase lag produced by transportation relays_____________?

August 11, 2021December 23, 2018 by admin
The phase lag produced by transportation relays_____________?

A. is independent of frequency
B. is inverseh’proportional to frequency
C. increases linearly with frequency
D. decreases linearly with frequency

Categories Control Systems

Addition of zeros in transfer function causes which of the following ?

August 11, 2021December 23, 2018 by admin
Addition of zeros in transfer function causes which of the following ?

A. Lead-compensation
B. Lag-compensation
C. Lead-lag compensation
D. None of the above

Categories Control Systems

If a step function is applied to the input of a system and the output remains below a certain level for all the time, the system is_____________?

August 11, 2021December 23, 2018 by admin
If a step function is applied to the input of a system and the output remains below a certain level for all the time, the system is_____________?

A. not necessarily stable
B. stable
C. unstable
D. always unstable
F. any of the above

Categories Control Systems

Velocity error constant of a system is measured when the input to the system is unit ___________ function?

August 11, 2021December 23, 2018 by admin
Velocity error constant of a system is measured when the input to the system is unit ___________ function?

A. parabolic
B. ramp
C. impulse
D. step

Categories Control Systems

The type 2 system has __________ at the origin?

August 11, 2021December 23, 2018 by admin
The type 2 system has __________ at the origin?

A. no net pole
B. net pole
C. simple pole
D. two poles

Categories Control Systems

Static error coefficients are used as a measure of the effectiveness of closed loop systems for specified ___________ input signal?

August 11, 2021December 23, 2018 by admin
Static error coefficients are used as a measure of the effectiveness of closed loop systems for specified ___________ input signal?

A. acceleration
B. velocity
C. position
D. all of the above

Categories Control Systems

Spring constant in force-voltage analogy is analogous to_____________?

August 11, 2021December 23, 2018 by admin
Spring constant in force-voltage analogy is analogous to_____________?

A. capacitance
B. reciprocal of capacitance
C. current
D. resistance

Categories Control Systems

The frequency and time domain are related through which of the following ?

August 11, 2021December 23, 2018 by admin
The frequency and time domain are related through which of the following ?

A. Laplace Transform and Fourier Integral
B. Laplace Transform
C. Fourier Integral
D. Either B. or C.

Categories Control Systems

The type 1 system has _________ at the origin?

August 11, 2021December 23, 2018 by admin
The type 1 system has _________ at the origin?

A. no pole
B. net pole
C. simple pole
D. two poles

Categories Control Systems

A conditionally stable system exhibits poor stability at______________?

August 11, 2021December 23, 2018 by admin
A conditionally stable system exhibits poor stability at______________?

A. low frequencies
B. reduced values of open loop gain
C. increased values of open loop gain
D. none of the above

Categories Control Systems
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