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Refrigeration and Air Conditioning

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

Curved line
Horizontal line
Vertical line
Inclined line

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Refrigeration and Air Conditioning
The unit of thermal diffusivity is

m/hK
m²/h
m²/hK
m/h

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Refrigeration and Air Conditioning
In a pressure enthalpy chart, the space to the left of the saturated liquid line represents

Wet vapour region
None of the listed here
Sub-cooled liquid region
Superheated vapour region

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

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

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Refrigeration and Air Conditioning
Which of the following cycles uses air as the refrigerant?

Bell Coleman
Stirling
Ericson
Carnot

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

None of these
Same as
Higher than
Lower than

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MORE MCQ ON Refrigeration and Air Conditioning

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