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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The difference between dry bulb temperature and wet bulb temperature, is called

Dew point depression
Degree of saturation
Dry bulb depression
Wet bulb depression

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Refrigeration and Air Conditioning
In a domestic vapour compression refrigerator, the refrigerant commonly used is

R-12
CO?
Ammonia
All of these

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

Single fluid
Two fluids
Three fluids
None of the listed here

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Refrigeration and Air Conditioning
The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by

O.P.)P = (
(
O.P.)P = (
O.P.)R + 2
(
(
O.P)P = (
O.P)P = (
O.P)R - 1
O.P)R
(
O.P.)R + 1

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Refrigeration and Air Conditioning
The humidification process, on the psychrometric chart is shown by

Horizontal line
Vertical line
Inclined line
Curved line

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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

5
0.2
1.2
6

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MORE MCQ ON Refrigeration and Air Conditioning

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