Electrical and Electronics Engineering MCQ Questions and Answers Pdf - 2

Question: 6

_____ use hydraulic control devices?

(A) Automobiles

(B) Ships

(C) Machine tools

(D) All of the above

Question: 7

A closes loop system is distinguished from open loop system by which of the following?

(A) input pattern

(B) output pattern

(C) feedback

(D) servomechanism

Question: 8

Long distance railways use which of the following?

(A) 200 V. D. C

(B) 25 kV single phase A.C.

(C) 25 kV two phase A.C.

(D) 25 kV three phase A.C.

Question: 9

______ is preferred for automatic drives.

(A) Squirrel cage induction motor

(B) Synchronous motors

(C) Ward-Leonard controlled D.C. motors

(D) Any of the above

Question: 10

A _____ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly.

(A) controlling

(B) damping

(C) deflecting

(D) any of the above