Refrigeration and Air Conditioning
In a saturated air-water vapour mixture, the

Dry bulb temperature is higher than dew point temperature
Dew point temperature is lower than wet bulb temperature
Dry bulb, wet bulb and dew point temperature are same
Dry bulb temperature is higher than wet bulb temperature

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Refrigeration and Air Conditioning
The bypass factor for a cooling coil

May increase or decrease with increase in velocity of air passing through it depending upon the condition of air entering
Decreases with increase in velocity of air passing through it
Increases with increase in velocity of air passing through it
Remains unchanged with increase in velocity of air passing through it

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Refrigeration and Air Conditioning
For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then

Perfectly tight vapour seal should be used
Refrigerant with lower evaporation temperature should be used
Smaller cabinet should be used
Bigger cabinet should be used

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