7000+ Synchronous Machines MCQ Questions & Answers Pdf - 1

Question: 1

Which of the following synchronous motors has cost comparable to that of an induction motor?

(A) High kW output high speed

(B) Low kW output high speed

(C) High kW output low speed

(D) Low kW output low speed

Question: 2

Hydro-generators are generally employed to run at ____ rpm.

(A) 200

(B) 500

(C) 1000

(D) 2000

Question: 3

An alternator is

(A) A three phase induction machine with prime mover

(B) A polyphase synchronous machine operated with ac exciter

(C) A polyphase synchronous machine operated with dc exciter

(D) Any ac generator

Question: 4

Alternator operates on the principle of

(A) Mutual induction

(B) Self or mutual induction

(C) Self induction

(D) Electromagnetic induction

Question: 5

The number of poles on turbo alternator is usually

(A) 1

(B) 2

(C) 4

(D) 8