1000+ Transformers Quiz Questions and Answers - 1

Question: 1

The chemical used in breather is

(A) silica gel

(B) sodium chloride

(C) silica sand

(D) asbestos fibre

Ans: A

silica gel

Question: 2

The principle of working of a transformer is

(A) dynamic induction

(B) mutual induction

(C) static induction

(D) self induction

Ans: B

mutual induction

Question: 3

A sinusoidal e.m.f.

(A) lags the flux inducing it by 90°

(B) lags the flux inducing it by 180°

(C) leads the flux inducting it by 90°

(D) leads the flux inducting it by 180°

Ans: A

lags the flux inducing it by 90°

Question: 4

A step up transformer increases

(A) frequency

(B) current

(C) voltage

(D) power

Ans: C

voltage

Question: 5

In which of the following the highest rating transformer is likely to find application?

(A) distribution

(B) generator

(C) substation

(D) transmission

Ans: B

generator

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