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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In S.J. unit, one ton of refrigeration is equal to

210 kJ/ min
420 kJ/ min
840 kJ/ min
21 kJ/ min

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Refrigeration and Air Conditioning
Most air cooled condensers are designed to operate with a temperature difference of

14°C
5°C
8°C
22°C

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Refrigeration and Air Conditioning
The vapour compression refrigerator employs the following cycle

Reversed Carnot
Reversed Rankine
Rankine
Carnot

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Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Compressor and condenser
Receiver and evaporator
Condenser and receiver
Evaporator and compressor

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Refrigeration and Air Conditioning
The conditioned air supplied to the room must have the capacity to take up

None of the listed here
Room latent heat load only
Both room sensible heat and latent heat loads
Room sensible heat load only

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Refrigeration and Air Conditioning
A human body feels comfortable when the heat produced by the metabolism of human body is equal to the

Heat stored in the human body
Difference of (A) and (B)
Heat dissipated to the surroundings
Sum of (A) and (B)

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