Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. DX coil Flooded None of these Dry DX coil Flooded None of these Dry ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be All of these Lack of cooling water Water temperature being high Dirty condenser surface All of these Lack of cooling water Water temperature being high Dirty condenser surface ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A one tonne refrigerating machine means that One tonne is the total mass of machine One tonne refrigerant is used One tonne of water can be converted into ice One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne is the total mass of machine One tonne refrigerant is used One tonne of water can be converted into ice One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min 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 improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It leads to significant cost reduction It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It leads to significant cost reduction ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The higher temperature in vapour compression cycle occurs at Evaporator Expansion valve Compressor discharge Receiver Evaporator Expansion valve Compressor discharge Receiver ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is 20 50 Zero 100 20 50 Zero 100 ANSWER DOWNLOAD EXAMIANS APP