1000+ Heat Transfer Objective Type Questions and Answers - 1

Question: 1

Steam traps are used to

(A) heat stream

(B) remove condensate

(C) balance the pressure

(D) regulate the flow

Question: 2

Kinematic viscosity indicates

(A) conversion of momentum into heat energy

(B) heat energy transport through convection

(C) heat energy transport through conduction

(D) momentum transport by molecular friction

Question: 3

For a given heat flow and for the same thickness, the temperature drop across the material will be maximum for

(A) refractory brick

(B) glass wool

(C) steel

(D) copper

Question: 4

What energy transformation takes place when ice is converted into water

(A) heat energy to potential energy

(B) heat energy to latent energy

(C) heat energy to kinetic energy

(D) kinetic energy to heat energy

Question: 5

Heat is transferred from an insulated pipe to the surrounding still air mainly by

(A) radiation

(B) conduction

(C) free convection

(D) forced convection