1000+ Heat and Mass Transfer Questions and Answers Pdf - 1

Question: 1

The highest value of thermal conductivity is expected for

(A) boiling water

(B) water

(C) melting ice

(D) solid ice

Question: 2

Which of the following is used as entrainer in acetic acid water separation?

(A) butyl acetate

(B) methyl alcohol

(C) phosphorous

(D) hexane

Question: 3

Transmission of heat by molecular collision is

(A) scattering

(B) radiation

(C) convection

(D) conduction

Question: 4

Longest wavelength

(A) radio waves

(B) ultraviolet rays

(C) gamma rays

(D) x rays

Question: 5

The process of separation of solutes of different molecular sizes in a liquid solution by use of a suitable membrane is known as

(A) adsorption

(B) dialysis

(C) distillation

(D) hyper adsorption