1000+ DC Generators Objective Questions and Answers Pdf - 1

Question: 1

Two generators are running in parallel. One of the generators may run as motor for which of the following reasons?

(A) that generator takes large share of loads

(B) the field of that generator is weakened

(C) the speed of that generator is increased

(D) the direction of that generator is reversed

Question: 2

An ideal D.C. generator has a regulation of

(A) 0%

(B) 20%

(C) 70%

(D) 90%

Question: 3

Which of the following generator will have negligible terminal voltage while running on no load?

(A) separately excited generator

(B) compound generator

(C) shunt generator

(D) series generator

Question: 4

In a D.C. machine stray loss is the sum of

(A) iron loss and mechanical loss

(B) shunt field copper loss and mechanical loss

(C) total copper loss and mechanical loss

(D) armature copper loss and iron loss

Question: 5

In a shunt generator the voltage build up is

(A) saturation of iron

(B) insulation restrictions

(C) armature heating

(D) speed limitation