A. at rest without any energy stored in it

B. working normally with reference input

C. working normally with zero reference input**D. at rest but stores energy**

## 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

## The viscous friction co-efficient, in force-voltage analogy, is analogous to______________?

A. charge**B. resistance**

C. reciprocal of inductance

D. reciprocal of conductance

F. none of the above

## Transfer function of a system is used to calculate which of the following ?

A. The order of the system

B. The time constant**C. The output for any given input**

D. The steady state gain

## The temperature, under thermal and electrical system analogy, is considered analogous to_______________?

**A. voltage**

B. current

C. capacitance

D. charge

F. none of the above

## The second derivative input signals modify which of the following ?

A. The time constant of the system

B. Damping of the system

C. The gain of the system**D. The time constant and suppress the oscillations**

F. None of the above

## The capacitance, in force-current analogy, is analogous to_____________?

A. momentum

B. velocity

C. displacement**D. mass**

## When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies________________?

A. linearly with radial distance**B. as the square of the radial distance**

C. inversely as the square of the radial distance

D. inversely as the radial distance

## The band width, in a feedback amplifier_______________?

A. remains unaffected

B. decreases by the same amount as the gain increase**C. increases by the sane saaaajajt as the gain decrease**

D. decreases by the same amount as the gain decrease

## technique gives quick transient and stability response______________?

**A. Root locus**

B. Bode

C. Nyquist

D. Nichols

## Spring constant in force-voltage analogy is analogous to_____________?

A. capacitance**B. reciprocal of capacitance**

C. current

D. resistance

## 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**

## The effect of error damping is to______________?

A. provide larger settling lime

B. delay the response**C. reduce steady state error**

D. any of the above

F. none of the above

## The first order control system, which is well designed, has a_______________?

A. small bandwidth

B. negative time constant**C. large negative transfer function pole**

D. none of the above

## The position and velocity errors of a type-2 system are_____________?

A. constant, constant

B. constant, infinity**C. zero, constant**

D. zero, zero

## The phase lag produced by transportation relays_____________?

A. is independent of frequency

B. is inversehâ€™proportional to frequency**C. increases linearly with frequency**

D. decreases linearly with frequency

## The output of a feedback control system must be a function of_________________?

**A. reference and output**

B. reference and input

F. input and feedback signal

D. output and feedback signal

## 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 initial response when tne output is not equal to input is called_____________?

**A. Transient response**

B. Error response

C. Dynamic response

D. Either of the above

## Which of the following can be measured by LVDT ?

A. Displacement

B. Velocity

C. Acceleration**D. Any of the above**