Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid

After passing through the condenser
After passing through the expansion or throttle valve
Before passing through the condenser
Before entering the expansion valve

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Refrigeration and Air Conditioning
A refrigeration system

Removes heat from a low temperature body and delivers it to a high temperature body
Rejects energy to a low temperature body
None of the listed here
Removes heat from a high temperature body and delivers it to a low temperature body

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Refrigeration and Air Conditioning
The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration

0.5 to 0.8 h.p. per ton of refrigeration
2 to 5 h.p. per ton of refrigeration
0.1 to 0.5 h.p. per ton of refrigeration
1 to 2 h.p. per ton of refrigeration

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