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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.

Compressor
Expansion valve
Evaporator
Condenser

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Refrigeration and Air Conditioning
Moisture in Freon refrigeration system causes

Corrosion of whole system
Ineffective refrigeration
Freezing automatic regulating valve
High power consumption

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Refrigeration and Air Conditioning
One ton refrigeration corresponds to

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

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Refrigeration and Air Conditioning
The coefficient of performance of Heat Pump is always ___ one.

None of the listed here
Equal to
Greater than
Less than

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Refrigeration and Air Conditioning
An evaporator is also known as

Freezing coil
All of these
Cooling coil
Chilling coil

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Refrigeration and Air Conditioning
An important characteristic of absorption system of refrigeration is

quiet operation
very little power consumption
cooling below 0°C
noisy operation

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