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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

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

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Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

40 tons
10 tons
5 tons
0.1 ton

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Refrigeration and Air Conditioning
The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity)

20°C DBT and 80% RH
22°C DBT and 60% RH
25°C DBT and 100% RH
25°C DBT and 40% RH

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Refrigeration and Air Conditioning
The relative humidity lines on a psychrometric chart are

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

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Refrigeration and Air Conditioning
The boiling point of ________ is 10.5°C.

Ammonia
Carbon dioxide
Sulphur dioxide
R-12

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Refrigeration and Air Conditioning
The thermostatic expansion valve is used in ________ type of evaporators.

None of these
DX coil
Dry
Flooded

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MORE MCQ ON Refrigeration and Air Conditioning

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