Environmental protection agencies advice against the use of chloro-fluoro-carbon refrigerants since - Heat Transfer, Refrigeration and Air Conditioning Quiz

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

Environmental protection agencies advice against the use of chloro-fluoro-carbon refrigerants since

these react with ozone layer

these react with oxygen and cause its depletion

these react with water vapour and cause acid rain

these react with plants and cause green-house effect

Correct Answer : Option (A) : these react with ozone layer

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