1000+ Alternator Objective Questions and Answers Pdf - 1

Question: 1

Which of the following organizations is engaged in the manufacture of large size alternators for power plants in India?

(A) Bharat Heavy Electricals Ltd.

(B) Department of Science and Technology

(C) Electricity Authority of India

(D) National Thermal Power Corporation Ltd

Question: 2

Which of the following prime mover is least efficient?

(A) steam engine

(B) diesel turbine

(C) gas turbine

(D) petrol turbine

Question: 3

Fleming’s left hand rule may be applied to an electric generator to find out direction of

(A) rotor rotation

(B) magnetic field

(C) induced e.m.f.

(D) none of the above

Question: 4

An infinite bus bar has

(A) infinite frequency and infinite voltage

(B) constant frequency and constant voltage

(C) variable frequency and variable voltage

(D) constant frequency and variable voltage

Question: 5

A stationary alternator should not be connected to a live bus bar because it

(A) will decrease but bar voltage through momentarily

(B) is likely to run as a synchronous motor

(C) will disturb generated e.m.f. of other alternators connected in parallel

(D) will get short circuited