Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Aluminium Steel Brass Copper Aluminium Steel Brass Copper ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Bell Coleman cycle is a Reversed Rankine cycle Reversed Otto cycle Reversed Joule cycle Reversed Carnot cycle Reversed Rankine cycle Reversed Otto cycle Reversed Joule cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In larger industrial and commercial reciprocating compression systems, refrigerant widely used is Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 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 4.33 2.33 3.33 1.33 4.33 2.33 3.33 1.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for Large displacements and low condensing pressures Large displacements and high condensing pressures Small displacements and low condensing pressures Small displacements and high condensing pressures Large displacements and low condensing pressures Large displacements and high condensing pressures Small displacements and low condensing pressures Small displacements and high condensing pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A bootstrap air cooling system has Three heat exchangers One heat exchanger Four heat exchangers Two heat exchangers Three heat exchangers One heat exchanger Four heat exchangers Two heat exchangers ANSWER DOWNLOAD EXAMIANS APP
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