Control Systems Archives - Page 3 of 11 -

The phase lag produced by transportation relays_____________?

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

The phase lag produced by transportation relays_____________? Read More »

Control Systems

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

Control Systems / 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

Addition of zeros in transfer function causes which of the following ? Read More »

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_____________?

Control Systems / 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

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_____________? Read More »

Control Systems

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

Control Systems / 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

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

Control Systems

The type 2 system has __________ at the origin?

Control Systems / admin

The type 2 system has __________ at the origin?

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

The type 2 system has __________ at the origin? Read More »

Control Systems

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

Control Systems / 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

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

Control Systems

Spring constant in force-voltage analogy is analogous to_____________?

Control Systems / admin

Spring constant in force-voltage analogy is analogous to_____________?

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

Spring constant in force-voltage analogy is analogous to_____________? Read More »

Control Systems

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

Control Systems / 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.

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

Control Systems

The type 1 system has _________ at the origin?

Control Systems / admin

The type 1 system has _________ at the origin?

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

The type 1 system has _________ at the origin? Read More »

Control Systems

A conditionally stable system exhibits poor stability at______________?

Control Systems / 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

A conditionally stable system exhibits poor stability at______________? Read More »

Control Systems