Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Low Very low Same High Low Very low Same High ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Freon-22 Air Freon-11 CO2 Freon-22 Air Freon-11 CO2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant Ammonia Freon-11 Freon-22 CO2 Ammonia Freon-11 Freon-22 CO2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The undesirable property of a refrigerant is Non-flammable Non-explosive High boiling point Non-toxic Non-flammable Non-explosive High boiling point Non-toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1.25 5.12 1 2.15 1.25 5.12 1 2.15 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An Electrolux refrigerator is called a ___ absorption system. None of the listed here Two fluids Single fluid Three fluids None of the listed here Two fluids Single fluid Three fluids ANSWER DOWNLOAD EXAMIANS APP