Refrigeration and Air Conditioning The advantage of dry compression is that It results in high volumetric and mechanical efficiency It permits complete evaporation in the evaporator It permits higher speeds to be used All of these It results in high volumetric and mechanical efficiency It permits complete evaporation in the evaporator It permits higher speeds to be used All of these 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 In a vapour compression system, the condition of refrigerant is dry saturated vapour After leaving the condenser Before entering the compressor Before entering the condenser After leaving the compressor After leaving the condenser Before entering the compressor Before entering the condenser After leaving the compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is Ammonia Carbon dioxide Brine Freon Ammonia Carbon dioxide Brine Freon ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-11 R-22 Ammonia R-12 R-11 R-22 Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The conditioned air supplied to the room must have the capacity to take up Both room sensible heat and latent heat loads None of the listed here Room sensible heat load only Room latent heat load only Both room sensible heat and latent heat loads None of the listed here Room sensible heat load only Room latent heat load only ANSWER DOWNLOAD EXAMIANS APP