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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
One ton refrigeration corresponds to

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

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

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

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Refrigeration and Air Conditioning
In a psychrometric chart, specific humidity (moisture content) lines are

Horizontal and uniformly spaced
Horizontal and non-uniformly spaced
Curved lines
Vertical and uniformly spaced

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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
Critical pressure of a liquid is the pressure

Above which liquid becomes solid
Above which liquid becomes gas
Above which liquid becomes vapour
Above which liquid will remain liquid

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Refrigeration and Air Conditioning
A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be

All of these
Lack of cooling water
Dirty condenser surface
Water temperature being high

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MORE MCQ ON Refrigeration and Air Conditioning

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