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Engineering
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ME Set-1
Heat Transfer Refrigeration and Air Conditioning
188

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

188) During sub-cooling, sensible heat from a liquid refrigerant is removed.

Yes

No

Unknown

None

Answer is:

Yes

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

189) If the energy radiated per second per sq. cm. of the surface for wave lengths lying between ?, and ? + d? is represented by (e?.d?), then e? is called

absorptive power

emissive power

emissivity

none of these

Answer is:

emissive power

190) Dry bulb temperature is the temperature of air recorded by a thermometer, when

it is not affected by the moisture present in the air

its bulb is surrounded by a wet cloth exposed to the air

the moisture present in it begins to condense

none of the above

Answer is:

it is not affected by the moisture present in the air

191) In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is

heated and dehumidified

heated and humidified

cooled and humidified

cooled and dehumidified

Answer is:

heated and humidified

192) A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

automatic expansion valve

high side float valve

thermostatic expansion valve

low side float valve

Answer is:

low side float valve

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

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