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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
More or less depending on ambient conditions
Less
Same

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Refrigeration and Air Conditioning
Short horizontal lines on pressure-enthalpy chart show

Constant entropy lines
Constant total heat lines
Constant pressure lines
Constant temperature lines

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Refrigeration and Air Conditioning
The conditioned air supplied to the room must have the capacity to take up

Room latent heat load only
None of the listed here
Both room sensible heat and latent heat loads
Room sensible heat load only

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Refrigeration and Air Conditioning
The cooling system used for supersonic aircrafts and rockets is

Regenerative air cooling system
Reduced ambient air cooling system
Bootstrap air cooling system
Simple air cooling system

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Refrigeration and Air Conditioning
During sensible cooling of air, specific humidity

None of the listed here
Decreases
Increases
Remains constant

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Refrigeration and Air Conditioning
A vapour absorption refrigeration system

Cools below 0°C
Requires little power consumption
Gives noisy operation
Gives quiet operation

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MORE MCQ ON Refrigeration and Air Conditioning

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