Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is saturated liquid Before passing through the condenser After passing through the expansion throttle valve Before entering the expansion valve After passing through the condenser Before passing through the condenser After passing through the expansion throttle valve Before entering the expansion valve After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 30 bar 8 bar 15 bar 2 bar 30 bar 8 bar 15 bar 2 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Higher coefficient of performance High heat transfer rate Low temperature at high altitudes Low weight per tonne of refrigeration Higher coefficient of performance High heat transfer rate Low temperature at high altitudes Low weight per tonne of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Sulphur sticks which on detection gives white smoke Using reagents Smelling Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Using reagents Smelling Halide torch which on detection produces greenish flame lighting 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 or equal to 3.65 kg More than 10 kg There is no such consideration Less than 2 kg More than or equal to 3.65 kg More than 10 kg There is no such consideration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for Large displacements and high condensing pressures Small displacements and high condensing pressures Small displacements and low condensing pressures Large displacements and low condensing pressures Large displacements and high condensing pressures Small displacements and high condensing pressures Small displacements and low condensing pressures Large displacements and low condensing pressures ANSWER DOWNLOAD EXAMIANS APP
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