Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Lowering the higher temperature Operating the machine at lower speeds Raising the higher temperature Operating the machine at higher speeds Lowering the higher temperature Operating the machine at lower speeds Raising the higher temperature Operating the machine at higher speeds ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between Temperature and enthalpy Temperature, pressure, specific volume and enthalpy Specific volume and enthalpy Temperature, pressure and enthalpy Temperature and enthalpy Temperature, pressure, specific volume and enthalpy Specific volume and enthalpy Temperature, pressure and enthalpy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 6 0.2 5 1.2 6 0.2 5 1.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be High Equal Anything Small High Equal Anything Small ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube, as an expansion device, is used in Room air conditioners Domestic refrigerators Water coolers All of these Room air conditioners Domestic refrigerators Water coolers All of these ANSWER DOWNLOAD EXAMIANS APP
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