Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Same Very low High Low Same Very low High Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 15°C 10°C 20°C 5°C 15°C 10°C 20°C 5°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton refrigeration corresponds to 80 kcal/ hr 80 kcal/ min 50 kcal/ min 50 kcal/ hr 80 kcal/ hr 80 kcal/ min 50 kcal/ min 50 kcal/ hr ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigerating machine, heat rejected is _________ heat absorbed. Less than None of these Equal to Greater than Less than None of these Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Is more than 1 Depends upon the make Is equal to 1 Is less than 1 Is more than 1 Depends upon the make Is equal to 1 Is less than 1 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 2 to 5 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 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 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
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