Refrigeration and Air Conditioning A refrigeration system None of the listed here Removes heat from a low temperature body and delivers it to a high temperature body Removes heat from a high temperature body and delivers it to a low temperature body Rejects energy to a low temperature body None of the listed here Removes heat from a low temperature body and delivers it to a high temperature body Removes heat from a high temperature body and delivers it to a low temperature body Rejects energy to a low temperature body ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) P.F. - 1 1 + B.P.F. 1 - B. P.F. 1/ B.P.F. P.F. - 1 1 + B.P.F. 1 - B. P.F. 1/ B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic compression process Constant pressure cooling process Constant pressure expansion process Isentropic expansion process Isentropic compression process Constant pressure cooling process Constant pressure expansion process Isentropic expansion process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into Low pressure vapour refrigerant Low pressure liquid and vapour refrigerant High pressure liquid refrigerant None of these Low pressure vapour refrigerant Low pressure liquid and vapour refrigerant High pressure liquid refrigerant None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is Heated and humidified Cooled and humidified Heated and dehumidified Cooled and dehumidified Heated and humidified Cooled and humidified Heated and dehumidified Cooled and dehumidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Superheated vapour Dry saturated vapour Wet vapour Saturated liquid Superheated vapour Dry saturated vapour Wet vapour Saturated liquid ANSWER DOWNLOAD EXAMIANS APP