Explore topic-wise MCQs in Control Systems Questions and Answers.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

An object stationary or moving in a uniform motion w.r.t A will appear to be traveling in a straight path w.r.t B. This apparent path is attributed to Coriolis acceleration.

A. True
B. False
Answer» C.
Discussion
2.

In case of DC servomotor, the back emf is equivalent to an “electric friction” which tends to:

A. a)Slowly decrease the stability of the system
B. b)Improve stability of the system
C. c)Very rapidly decrease the stability of the system
D. d)Have no effect of stability
Answer» C. c)Very rapidly decrease the stability of the system
Discussion
3.

Assertion (A): DC servomotors are more commonly used in armature controlled mode than field controlled mode.

A. Reason (R): Armature controlled Dc motors have higher starting torque than fiels controlled motors.
B. a)Both A and R are true and R is the correct explanation of A
C. b)Both A and R are true but R is not correct explanation of A
D. c)A is true but R is false
E. d)A is false but R is true
Answer» B. a)Both A and R are true and R is the correct explanation of A
Discussion
4.

Assertion (A): Servomotors have heavier rotors and lower R/X ratio as compared to ordinary motors of similar ratings.

A. Reason (R): Servomotor should have smaller electrical and mechanical time constants for faster response.
B. a)Both A and R are true and R is the correct explanation of A
C. b)Both A and R are true but R is not correct explanation of A
D. c)A is true but R is false
E. d)A is false but R is true
Answer» E. d)A is false but R is true
Discussion
5.

The below figure represents:

A. a)Lead network
B. b)Lag network
C. c)PI controller
D. d)PD controller
Answer» C. c)PI controller
Discussion
6.

Consider a simple mass spring friction system as given in the figure K1, K2 are spring constants f-friction, M-Mass, F-Force, x-Displacement. The transfer function X(s)/F(s) of the given system will be :

A. a)1/(Ms2+fs+K1.K2)
B. b)1/(Ms2+fs+K1+K2)
C. c)1/(Ms2+fs+K1.K2/K1+K2)
D. d)K2/(Ms2+fs+K1)
Answer» C. c)1/(Ms2+fs+K1.K2/K1+K2)
Discussion