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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
OpenVideRime asked 5 years ago • 
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For obtaining high COP, the pressure range of compressor should be
OpenVideRime asked 5 years ago • 
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The boiling point of ammonia is
OpenVideRime asked 5 years ago • 
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Freon group of refrigerants are
OpenVideRime asked 5 years ago • 
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A thermostatic expansion valve in a refrigeration system
OpenVideRime asked 5 years ago • 
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In a refrigeration system, heat absorbed in comparison to heat rejected is
OpenVideRime asked 5 years ago • 
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Most thermostatic expansion valves are set for a superheat of
OpenVideRime asked 5 years ago • 
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The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P.
OpenVideRime asked 5 years ago • 
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The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is
OpenVideRime asked 5 years ago • 
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The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration
OpenVideRime asked 5 years ago • 
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