Explore topic-wise MCQs in Control Systems.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

The disadvantages of the error constants are:

A. They do not give the information of the steady state error when the inputs are other than the three basic types
B. Error constant fail to indicate the exact manner in which the error function change with time.
C. They do not give information of the steady state error and fail to indicate the exact manner in which the error function change with time
D. They give information of the steady state error
Answer» D. They give information of the steady state error
Discussion
2.

Steady state refers to

A. Error at the steady state
B. Error at the transient state
C. Error at both state
D. Precision
Answer» B. Error at the transient state
Discussion
3.

Find the velocity error constant of the system given below :

A. 0
B. 2
C. 4
D. ∞
Answer» D. ∞
Discussion
4.

A control system is operated with a parabolic input as shown below If Ka is static error constant of the system, then its dynamic error constant K2 is

A. 0.01
B. 0.02
C. 0.03
D. 0.04
Answer» C. 0.03
Discussion
5.

STEADY_STATE_REFERS_TO?$

A. Error at the steady state
B. Error at the transient state
C. Error at both state
D. Precision
Answer» B. Error at the transient state
Discussion
6.

The_disadvantages_of_the_error_constants_are:$

A. They do not give the information of the steady state error when the inputs are other than the three basic types
B. Error constant fail to indicate the exact manner in which the error function change with time.
C. They do not give information of the steady state error and fail to indicate the exact manner in which the error function change with time
D. They give information of the steady state error
Answer» D. They give information of the steady state error
Discussion
7.

Systems of type higher than 2 are not employed in practice?

A. True
B. False
Answer» B. False
Discussion
8.

The error constants described are the ability to reduce the steady state errors.

A. True
B. False
Answer» B. False
Discussion
9.

A particular control system yielded a steady state error of 0.20 for unit step input. A unit integrator is cascaded to this system and unit ramp input is applied to this modified system. What is the value of steady-state error for this modified system?

A. 0.10
B. 0.15
C. 0.20
D. 0.25
Answer» E.
Discussion
10.

A ramp input applied to a unity feedback system results in 5% steady state error. The type number and zero frequency gain of the system are respectively

A. 1 and 20
B. 0 and 20
C. 0 and 1/20
D. 1 and 1/20
Answer» B. 0 and 20
Discussion
11.

Consider the unity feedback system with open loop transfer function the minimum value of the steady state error to a ramp input r(t) = 6tu(t) is OLTF = K/s(s+1)(s+2)

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
12.

The steady state error for a unity feedback system for the input r(t) = Rt^2/2 to the system G(s) = K(s+2)/s(s3+7s2+12s) is

A. 0
B. 6R/K
C. ‚àû
D. 3R/K
Answer» C. ‚Äö√Ñ√∂‚àö‚Ć‚àö¬™
Discussion