1. The transient response, with feedback system,

rises slowly

rises quickly

decays slowly

decays quickly

2. .On which of the following factors does the sensitivity of a closed loop system to gain changes and load disturbances depend ?

Frequency

Loop gain

Forward gain

All of the above

3. The band width, in a feedback amplifier.

remains unaffected

decreases by the same amount as the gain increase

increases by the sane saaaajajt as the gain decrease

decreases by the same amount as the gain decrease

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

The order of the system

The time constant

The output for any given input

The steady state gain

5. Zero initial condition for a system means

input reference signal is zero

zero stored energy

ne initial movement of moving parts

system is at rest and no energy is stored in any of its components

6. A control system with excessive noise, is likely to suffer from

saturation in amplifying stages

loss of gain

vibrations

oscillations

7. is an open loop control system

Ward Leonard control

Field controlled D.C. motor

Stroboscope

Metadyne

8. .The output of a feedback control system must be a function of

reference and output

reference and input

input and feedback signal

output and feedback signal

9. Which of the following should be done to make an unstable system stable ?

The gain of the system should be decreased

The gain of the system should be increased

The number of poles to the loop transfer function should be increased

The number of zeros to the loop transfer function should be increased

10. Which of the following devices are commonly used as error detectors in instruments ?

Vernistats

Microsyns

Resolvers

Any of the above