Refrigeration and Air Conditioning The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to Yellow Bright green Red Orange Yellow Bright green Red Orange ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during cooling and dehumidification Decreases Remains constant Increases None of these Decreases Remains constant Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Other factors decide C.O.P Decreases C.O.P Increases C.O.P O.P remains unaltered Other factors decide C.O.P Decreases C.O.P Increases C.O.P O.P remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature lines, on the psychrometric chart are Horizontal and uniformly spaced Vertical and uniformly spaced Horizontal and non-uniformly spaced Curved lines Horizontal and uniformly spaced Vertical and uniformly spaced Horizontal and non-uniformly spaced Curved lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic expansion process Constant pressure cooling process Constant pressure expansion process Isentropic compression process Isentropic expansion process Constant pressure cooling process Constant pressure expansion process Isentropic compression process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 100% RH 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 25°C DBT and 100% RH 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 40% RH ANSWER DOWNLOAD EXAMIANS APP
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