Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature Decreases None of these Increases Remains constant Decreases None of these Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An Electrolux refrigerator is called a ___ absorption system. Two fluids Three fluids Single fluid None of the listed here Two fluids Three fluids Single fluid None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 2.33 3.33 1.33 4.33 2.33 3.33 1.33 4.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity of refrigerant for system is Less than 2 kg More than 10 kg There is no such consideration More than or equal to 3.65 kg Less than 2 kg More than 10 kg There is no such consideration More than or equal to 3.65 kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be Reduced to a value below its critical temperature Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature Equal to critical temperature None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS