Work, Power and Energy Gk, MCQ, Objective Questions & Answers - 1

Question: 1

Kilowatt is the unit to measure

(A) Force

(B) Time

(C) Power

(D) Energy

Ans: C


Question: 2

The device used to control the chain reaction in Nuclear fission is

(A) Atom bomb

(B) Nuclear reactor

(C) Electric furnace

(D) Chemical furnace

Ans: B

Nuclear reactor

Question: 3

Which of the following is the unit of energy?

(A) Watt

(B) Joule

(C) Kilowatt-hour

(D) Watt-hour

Ans: A


Question: 4

The unit of work is ___

(A) Second

(B) Joule

(C) Metre

(D) Watt

Ans: B


Question: 5

In a dynamo mechanical energy is converted into

(A) Sound energy

(B) Heat energy

(C) Chemical energy

(D) Electrical energy

Ans: D

Electrical energy

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