Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 - (1/C.O.P) 1 + C.O.P 1 + (1/C.O.P) 1 - C.O.P. 1 - (1/C.O.P) 1 + C.O.P 1 + (1/C.O.P) 1 - C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Where does the lowest temperature occur in a vapour compression cycle? Evaporator Expansion valve Compressor Condenser Evaporator Expansion valve Compressor Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression refrigeration system, a throttle valve is used in place of an expander because It leads to significant cost reduction It considerably reduces mass of the system The positive work in isentropic expansion of liquid is very small It improves the C.O.P., as the condenser is small It leads to significant cost reduction It considerably reduces mass of the system The positive work in isentropic expansion of liquid is very small It improves the C.O.P., as the condenser is small ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An Electrolux refrigerator is called a ___ absorption system. Two fluids Single fluid Three fluids None of the listed here Two fluids Single fluid Three fluids None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Sulphur dioxide Ammonia Fluorine Carbon dioxide Sulphur dioxide Ammonia Fluorine Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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