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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An Electrolux refrigerator is called a ___ absorption system.

Three fluids
Single fluid
None of the listed here
Two fluids

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Refrigeration and Air Conditioning
The leaks in a refrigeration system using Freon are detected by

Smelling
Halide torch which on detection produces greenish flame lighting
Using reagents
Sulphur sticks which on detection gives white smoke

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

0.1
0.25
0.5
0.75

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

22°C
5°C
14°C
8°C

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Refrigeration and Air Conditioning
In chemical dehumidification process,

Dew point temperature decreases
All of these
Wet bulb temperature decreases
Dry bulb temperature increases

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Refrigeration and Air Conditioning
In vapour compression cycle the condition off refrigerant is dry saturated vapour

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

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MORE MCQ ON Refrigeration and Air Conditioning

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