MCQs of Control System Part-6

Control System

1. In an open loop control system______.

a. Output is independent of control input

b. Output is dependent on control input

c. Only system parameters have effect on the control output

d. None of the above

2. _______ has tendency to oscillate.

a. Open loop system

b. Closed loop system

c. Both (a) and (b)

d. Neither (a) nor (b)

3. A good control system has all the following features except______.

a. good stability

b. slow response

c. good accuracy

d. sufficient power handling capacity 

4. A car is running at a constant speed of 50 km/h, which of the following is the feedback element for the driver ?

a. Clutch

b. Eyes

c. Needle of the speedometer

d. Steering wheel

e. None of the above

5. The initial response when the output is not equal to the input is called____.

a. Transient response

b. Error response

c. Dynamic response

d. Either of the above

6. A control system working under unknown random actions is called_______.

a. computer control system

b. digital data system

c. stochastic control system

d. adaptive control system

7. By which of the following the control action is determined when a man walks along a path ?

a. Brain

b. Hands

c. Legs

d. Eyes

8. __________is a closed loop system.

a. Autopilot for an aircraft

b. Direct current generator

c. Car starter

d. Electric switch

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

a. Vernistats

b. Microsyns

c. Resolvers

d. Any of the above

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

a. The gain of the system should be decreased

b. The gain of the system should be increased

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

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