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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Same as
None of these
Higher than
Lower than

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Refrigeration and Air Conditioning
The refrigerant for a refrigerator should have

High total heat
High sensible heat
Low latent heat
High latent heat

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

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

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Refrigeration and Air Conditioning
The superheated vapour region, in a pressure enthalpy chart, is represented by the space

To the right of saturated liquid line
To the left of saturated liquid line
Between the saturated liquid line and saturated vapour line
None of these

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Refrigeration and Air Conditioning
An important characteristic of absorption system of refrigeration is

very little power consumption
cooling below 0°C
noisy operation
quiet operation

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Refrigeration and Air Conditioning
The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to

Yellow
Bright green
Red
Orange

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MORE MCQ ON Refrigeration and Air Conditioning

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