Heat Transfer QUESTIONS AND ANSWERS

Mechanical Engineering : Heat Transfer QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.Thermal conductivity of non-metallic amorphous solids with decrease in temperature

increases

decreases

remains constant

may increase or decrease depending on temperature

unpredictable.

12.Sensible heat is the heat required to

change vapour into liquid

change liquid into vapour

increase the temperature of a liquid of vapour

convert water into steam and superheat it

convert saturated steam into dry steam.

13.Heat is closely related with

liquids

energy

temperature

entropy

enthalpy.

14.When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by

conduction

convection

radiation

conduction and convection

convection and radiation.

15.When heat is Transferred by molecular collision, it is referred to as heat transfer by

conduction

convection

radiation

scattering

convection and radiation.

More Heat Transfer QUESTIONS AND ANSWERS available in next pages