- Heat Transfer, Refrigeration and Air Conditioning Quiz

Mechanical Engineering : Heat Transfer, Refrigeration and Air Conditioning - Quiz(MCQ)

The heat transfer in liquid and gases takes place according to convection.

The thermal conductivity of solid metals increases with rise in temperature,

The amount of heat flow through a body is dependent upon the material of the body.

Logarithmic mean temperature difference is not equal to the arithmetic mean temperature difference.

Correct Answer : Option () :

Recently Updated in Heat Transfer, Refrigeration and Air Conditioning Questions

The value of the wave length for maximum emissive power is given by

Wein's law

Stefan's law

Planck's law

Kirchhoff's law

Correct Answer : Wein's law

Emissivity of a body will be equal to its absorptivity at all temperatures.

Yes

Can Not Say

None of the above

Correct Answer : Yes

During dehumidification process, __________ remains constant.

specific humidity

dry bulb temperature

relative humidity

wet bulb temperature

Correct Answer : dry bulb temperature