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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During heating and dehumidification process, dry bulb temperature

None of these
Increases
Remains constant
Decreases

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Refrigeration and Air Conditioning
The optimum effective temperature for human comfort is

Higher in winter than in summer
Not dependent on season
Lower in winter than in summer
Same in winter and summer

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Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

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

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Refrigeration and Air Conditioning
Cooling water is required for following equipment in ammonia absorption plant

Condenser, absorber and separator (rectifier)
Evaporator
Absorber
Condenser

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Refrigeration and Air Conditioning
In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is

Reversed Joule cycle
Reversed Otto cycle
Reversed Brayton cycle
Reversed Carnot cycle

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Refrigeration and Air Conditioning
One ton refrigeration corresponds to

80 kcal/ hr
50 kcal/ hr
80 kcal/ min
50 kcal/ min

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MORE MCQ ON Refrigeration and Air Conditioning

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