Top 50+ Heat and Temperature Objective Questions & Answers - 1

Question: 1

The coolant used in radiators of automobile engines are

(A) Diesel

(B) Ice

(C) Petrol

(D) Water

Ans: D


Question: 2

The reverse process of vapour becoming liquid is

(A) Vapourisation

(B) Freezing

(C) Condensation

(D) Sublimation

Ans: C


Question: 3

The process by which a liquid changes into solid is

(A) Condensation

(B) Boiling

(C) Fusion

(D) Freezing

Ans: D


Question: 4

The latent heat of fusion of paraffin wax is

(A) 0.92x105

(B) 1.8x105

(C) 1.13x105

(D) 3.21x105

Ans: B


Question: 5

When sugar is dissolved in water

(A) Water is evaporated

(B) Water is boiled

(C) Water is condensed

(D) Water is cooled

Ans: A

Water is evaporated

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