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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The specific humidity during heating and humidification process.

Remains constant
None of these
Increases
Decreases

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Refrigeration and Air Conditioning
An evaporator is also known as

Cooling coil
All of these
Chilling coil
Freezing coil

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Refrigeration and Air Conditioning
The alignment circle is marked on the psychrometric chart at

20°C DBT and 60% RH
20°C DBT and 50% RH
26°C DBT and 60% RH
26°C DBT and 50% RH

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Refrigeration and Air Conditioning
In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the

Condenser to the expansion valve
Evaporator to the thermostat
Expansion valve to the evaporator
Condenser to the evaporator

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Refrigeration and Air Conditioning
Accumulators should have adequate volume to store refrigerant charge at least

0.1
0.75
0.25
0.5

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Refrigeration and Air Conditioning
Air refrigeration operates on

Brayton cycle
Rankine’s cycle
Reversed Carnot cycle
Carnot cycle

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MORE MCQ ON Refrigeration and Air Conditioning

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