Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 15 bar 2 bar 30 bar 8 bar 15 bar 2 bar 30 bar 8 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be Zero None of the listed here Positive Negative Zero None of the listed here Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The undesirable property of a refrigerant is High boiling point Non-flammable Non-toxic Non-explosive High boiling point Non-flammable Non-toxic Non-explosive ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-22 CO2 Freon-12 NH3 Freon-22 CO2 Freon-12 NH3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most air cooled condensers are designed to operate with a temperature difference of 14°C 5°C 8°C 22°C 14°C 5°C 8°C 22°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression refrigeration system, refrigerant occurs as liquid between Compressor and evaporator Compressor and condenser Expansion valve and evaporator Condenser and expansion valve Compressor and evaporator Compressor and condenser Expansion valve and evaporator Condenser and expansion valve ANSWER DOWNLOAD EXAMIANS APP