1000+ D.C.Generator MCQ Questions and Answers Pdf - 2

Question: 6

Drop in speed of a D.C. generator due to

(A) increasing the input to the prime mover

(B) reducing the load voltage

(C) increasing the armature resistance

(D) cooling the armature

Question: 7

In a D.C. generator the critical resistance can be increased by

(A) decreasing its speed

(B) increasing its speed

(C) decreasing its field resistance

(D) increasing its field resistance

Question: 8

An exciter for a turbo generator is a

(A) compound generator

(B) series generator

(C) shunt generator

(D) separately excited generator

Question: 9

The purpose of providing dummy coils in a generator is

(A) to provide mechanical balance for the rotor

(B) to amplify voltage

(C) to enhance flux density

(D) to reduce eddy current losses

Question: 10

Laminations of core are generally made of

(A) stainless steel

(B) silicon steel

(C) case iron

(D) carbon