1000+ DC Motor Quiz Questions and Answers Pdf - 2

Question: 6

Differentially compound D.C.motors can find applications requiring

(A) frequent on-off cycle

(B) variable speed

(C) high starting torque

(D) low starting torque

Question: 7

Which of the following motor is used in the locomotives motor drives?

(A) A.C. series motor

(B) D.C. series motor

(C) Synchronous motor

(D) Induction motor

Question: 8

If the speed of a D.C. shunt motor is increased the back e.m.f. of the motor will

(A) become zero

(B) remain same

(C) decrease

(D) increase

Question: 9

Which of the following load normally needs starting torque more than the rated torque?

(A) air compressors

(B) centrifugal pumps

(C) blowers

(D) conveyors

Question: 10

If a D.C. motor is to be selected for conveyors, which motor would be preferred?

(A) cumulative compound motor

(B) differentially compound motor

(C) shunt motor

(D) series motor