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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is

More
Same
More or less depending on ambient conditions
Less

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Refrigeration and Air Conditioning
The pressure at the outlet of a refrigerant compressor is called

Back pressure
Suction pressure
Discharge pressure
Critical pressure

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

Two fluids
None of the listed here
Single fluid
Three fluids

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Refrigeration and Air Conditioning
The vertical and uniformly spaced lines on a psychrometric chart indicates

Wet bulb temperature
Dew point temperature
Dry bulb temperature
Specific humidity

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

0.25
0.5
0.1
0.75

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Refrigeration and Air Conditioning
The material of pipe lines for a system using Freon as a refrigerant should be

Aluminium
Copper
Steel
Brass

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