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Refrigeration and Air Conditioning

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

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

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is saturated liquid

Before entering the expansion valve
Before passing through the condenser
After passing through the expansion throttle valve
After passing through the condenser

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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 standard ice point temperature corresponds to the temperature of

Mixture of ice and water under equilibrium conditions
Solid and dry ice
Water at 0°C
Ice at 4°C

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Refrigeration and Air Conditioning
A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be

0.2
6
5
1.2

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Refrigeration and Air Conditioning
The higher temperature in vapour compression cycle occurs at

Receiver
Compressor discharge
Evaporator
Expansion valve

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