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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

Saturation point of vapour
Triple point
Sublimation temperature
Saturation point of liquid

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Refrigeration and Air Conditioning
The specific humidity during heating and humidification process.

Remains constant
Decreases
None of these
Increases

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Refrigeration and Air Conditioning
In vapour compression cycle the condition off refrigerant is dry saturated vapour

Before entering the compressor
After passing through the condenser
Before passing through the condenser
After passing through the expansion or throttle valve

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Refrigeration and Air Conditioning
The thermostatic expansion valve operates on the changes in the

None of these
Pressure in the evaporator
Degree of superheat at exit from the evaporator
Temperature of the evaporator

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Refrigeration and Air Conditioning
In which of the following refrigeration system, waste heat can be effectively used?

Vapour compression cycle
Air refrigeration cycle
Vapour absorption cycle
None of the listed here

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Refrigeration and Air Conditioning
For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of

Copper
Aluminium
Steel
Brass

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