Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature Remains constant None of these Increases Decreases Remains constant None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 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 Critical temperature is the temperature above which A gas will immediately liquefy Water will never evaporate A gas will never liquefy Water will evaporate A gas will immediately liquefy Water will never evaporate A gas will never liquefy Water will evaporate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Expansion valve Compressor Condenser Evaporator Expansion valve Compressor Condenser Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since These react with oxygen and cause its depletion These react with water vapour and cause acid rain These react with ozone layer These react with plants and cause greenhouse effect These react with oxygen and cause its depletion These react with water vapour and cause acid rain These react with ozone layer These react with plants and cause greenhouse effect ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Copper Brass Steel Aluminium Copper Brass Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
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