Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Compression Evaporation Expansion Condensation Compression Evaporation Expansion Condensation ANSWER DOWNLOAD EXAMIANS APP
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 0.1 to 0.5 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.5 to 0.8 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 2 to 5 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature lines, on the psychrometric chart are Horizontal and non-uniformly spaced Curved lines Horizontal and uniformly spaced Vertical and uniformly spaced Horizontal and non-uniformly spaced Curved lines Horizontal and uniformly spaced Vertical and uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Regenerative air cooling system Simple air cooling system Reduced ambient air cooling system Bootstrap air cooling system Regenerative air cooling system Simple air cooling system Reduced ambient air cooling system Bootstrap air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 3.33 1.33 2.33 4.33 3.33 1.33 2.33 4.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be Any value Zero High, of the order of 25° As low as possible (3 to 11°C) Any value Zero High, of the order of 25° As low as possible (3 to 11°C) ANSWER DOWNLOAD EXAMIANS APP
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