Refrigeration and Air Conditioning Rating of a domestic refrigerator is of the order of 40 tons 5 tons 10 tons 0.1 ton 40 tons 5 tons 10 tons 0.1 ton ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be None of these Equal to critical temperature Increased to a value above its critical temperature Reduced to a value below its critical temperature None of these Equal to critical temperature Increased to a value above its critical temperature Reduced to a value below its critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P. More Unpredictable Less Equally More Unpredictable Less Equally ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is 3.5 × C.O.P. None of these O.P/3.5 3.5/C.O.P. 3.5 × C.O.P. None of these O.P/3.5 3.5/C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Zero work input Nearly same work input as for vapour compression cycle Maximum work input Very little work input Zero work input Nearly same work input as for vapour compression cycle Maximum work input Very little work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Heat of compression Enthalpy increase in compressor Work done by compressor All of these Heat of compression Enthalpy increase in compressor Work done by compressor All of these ANSWER DOWNLOAD EXAMIANS APP