Assertion (A): DC servomotors have practically taken over from AC servomotors in most control application.

Reason (R): Low brush commutator friction and still higher torque/inertia have been achieved in DC servomotors.

a)Both A and R are true and R is correct explanation of A

b)Both A and R are true but R is not correct explanation of A

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

This section includes 2 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.	Assertion (A): DC servomotors have practically taken over from AC servomotors in most control application.
A.	Reason (R): Low brush commutator friction and still higher torque/inertia have been achieved in DC servomotors.
B.	a)Both A and R are true and R is 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 correct explanation of A

Discussion

2.	Commutation process of a DC motor can be accomplished by solid devices (transistors and SCR’s).
A.	True
B.	False
Answer» B. False

Discussion

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

Assertion (A): DC servomotors have practically taken over from AC servomotors in most control application.

Commutation process of a DC motor can be accomplished by solid devices (transistors and SCR’s).