**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