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Control Systems Multiple Choice Questions and Answers:

 it contains 25 questions

1.

Which of the following statements is correct for a system with a gain margin close to unity or a phase margin close to zero?

2.

Which of the following is an open loop control system?

3.

In a stable control system, saturation can cause which of the following?

4.

Which of the following is the output of a thermocouple?

5.

This technique is not applicable to the nonlinear system

6.

In an open loop control system

7.

A control system in which the control action is somehow dependent on the output is known as

8.

The capacitance, in force-current analogy, is analogous to

9.

The type 0 system has ______ at the origin.

10.

The first order control system, which is well designed, has a

11.

In liquid level and electrical system analogy, voltage is considered analogous to

12.

In electrical-pneumatic system analogy the current is considered analogous to

13.

Spring constant in force-voltage analogy is analogous to

14.

The transient response of a system is mainly due to

15.

In closed loop control system, with a positive value of feedback gain, the overall gain of the system will

16.

The type 1 system has ______ at the origin.

17.

In thermal-electrical analogy charge is considered analogous to

18.

Which of the following statements is correct for any closed loop system?

19.

In an automatic control system which of the following elements is not used?

20.

Which of the following can be measured by the use of a tacho-generator?

21.

The type 2 system has at the origin.

22.

With feedback _____ increases

23.

A controller, essentially, is a

24.

is not a final control element

25.

Regenerative feedback implies feedback with


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