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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Carbon dioxide is

Colourless
Odourless
All of the listed here
Non-flammable

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Refrigeration and Air Conditioning
The COP of a domestic refrigerator

Is less than 1
Depends upon the make
Is more than 1
Is equal to 1

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Refrigeration and Air Conditioning
In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to

Detect liquid in vapour
Superheat the vapour
Collect liquid refrigerant and prevent it from going to compressor
Collect vapours

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Refrigeration and Air Conditioning
In mechanical refrigeration system, the refrigerant has the maximum temperature

In evaporator
Between compressor and condenser
Before expansion valve
Between condenser and evaporator

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Refrigeration and Air Conditioning
An evaporator is also known as

Chilling coil
Cooling coil
Freezing coil
All of these

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Refrigeration and Air Conditioning
Cooling water is required for following equipment in ammonia absorption plant

Evaporator
Condenser
Absorber
Condenser, absorber and separator (rectifier)

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MORE MCQ ON Refrigeration and Air Conditioning

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