Control System MCQ

61. In a system low friction co-efficient facilitates

A. reduced velocity lag error

B. increased velocity lag error

C. increased the speed of response

D. reduced time constant of the system


62. The hydraulic torque transmission system is analog of

A. amplidyneset

B. resistance-capacitance parallel circuit

C. motor-generator set

D. any of the above


63. Spring constant in the force-voltage relationship is like

A. capacitance

B. reciprocal of capacitance

C. current

D. resistance


64. Frequency and time domain are related to which one?

A. Laplace Transform and Fourier Integral

B. Laplace Transform

C. Fourier Integral

D. Either (b) or (c)


65. Increase in gain, in most of systems, leads to the

A. smaller damping ratio

B. larger damping ratio

C. constant damping ratio

D. none of the above


66. Static error coefficients are used as measureof effectiveness of closed loop systems for specified ________ input signal.

A. acceleration

B. velocity

C. position

D. all of the above


67. 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


68. Type 0 system has ______ at the origin.

A. no pole

B. net pole

C. simple pole

D. two poles

E. none of the above


69. Type 1 system has ______ at the origin.

A. no pole

B. net pole

C. simple pole

D. two poles


70. Type 2 system has ______ at the origin.

A. no net pole

B. net pole

C. simple pole

D. two poles

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