Refrigeration and Air Conditioning The leakage in a refrigeration system using Freon is detected by Halide torch All of these Soap and water Sulphur sticks Halide torch All of these Soap and water Sulphur sticks 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 leads to significant cost reduction It considerably reduces mass of the system It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It leads to significant cost reduction It considerably reduces mass of the system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb depression indicates _________ humidity of the air. Relative Specific Absolute None of these Relative Specific Absolute None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning While designing the refrigeration system of an aircraft, the prime consideration is that the System has high C.O.P. Power per TR is low Mass of the refrigeration equipment is low Mass of refrigerant circulated in the system is low System has high C.O.P. Power per TR is low Mass of the refrigeration equipment is low Mass of refrigerant circulated in the system is low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will May increase or decrease depending on the type of refrigerant used Increase Remain unaffected Decrease May increase or decrease depending on the type of refrigerant used Increase Remain unaffected Decrease ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 2 bar 8 bar 15 bar 30 bar 2 bar 8 bar 15 bar 30 bar ANSWER DOWNLOAD EXAMIANS APP