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REFRIGERATION AND AIR CONDITIONING

Refrigeration and Air Conditioning
The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

Will be lower
Will be higher
May be higher or lower depending upon the nature of non-condensable gases
Will remain unaffected

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Refrigeration and Air Conditioning
Air conditioning means

Dehumidifying
Heating
Cooling
All of these

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Refrigeration and Air Conditioning
In a psychrometric chart, specific humidity (moisture content) lines are

Horizontal and uniformly spaced
Horizontal and non-uniformly spaced
Vertical and uniformly spaced
Curved lines

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Refrigeration and Air Conditioning
The reduced ambient air cooling system has

One cooling turbine and one heat exchanger
Two cooling turbines and one heat exchanger
One cooling turbine and two heat exchangers
Two cooling turbines and two heat exchangers

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Refrigeration and Air Conditioning
A bootstrap air cooling system has

One heat exchanger
Two heat exchangers
Four heat exchangers
Three heat exchangers

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