heat transfer

Mode of heat transfer

• Convection

• Conjunction

Mode of heat transfer

• condector

• conduction

mode of heat transfer

• radiation

• radioactive

The literature of heat transfer generally recognizes distinct modes of heat transfer. How many modes are there?

• one

• two

• three

• four

Emilie holds the end of a metal rod in the flame of a Bunsen burner. After a couple of minutes the rod becomes too hot for Emilie to hold.

Which of the following caused the heating of the rod?

• convection

• radiation

• conduction

• her hand

Rising warm air currents is an example of

• convection

• radiation

• conduction

Surya went for a walk at noon. He felt very thirsty because of the heat of the sun .The heat of the sun is an example of

• convection

• conduction

• radiation