1000+ Heat Transfer MCQ Questions and Answers - 2

Question: 6

The process of removal of oil from oil cakes is known as

(A) osmosis

(B) leaching

(C) decoction

(D) soret effect

Question: 7

The heat of sun reaches to us according to

(A) convection

(B) conduction

(C) radiation

(D) none of the above

Question: 8

An isotherm is a graph

(A) showing product of pressure and volume against pressure

(B) connecting points of equal pressure

(C) showing pressure volume changes at constant temperature

(D) connecting points of equal temperature

Question: 9

Heat is transferred by conduction, convection and radiation in

(A) boiler furnaces

(B) melting of ice

(C) refrigerator freezer coils

(D) insulated pipes carrying hot water

Question: 10

The surface temperature of the sun is

(A) 2000 k

(B) 3000 k

(C) 6000 k

(D) 20000 k