Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Copper Steel Brass Aluminium Copper Steel Brass Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air None of these The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process) (hA - h2)/ (h1 - h2) (h2 - hA)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (h2 - hA)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Nearly same work input as for vapour compression cycle Maximum work input Very little work input Zero work input Nearly same work input as for vapour compression cycle Maximum work input Very little work input Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is Zero 20 100 50 Zero 20 100 50 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be Water temperature being high All of these Dirty condenser surface Lack of cooling water Water temperature being high All of these Dirty condenser surface Lack of cooling water ANSWER DOWNLOAD EXAMIANS APP
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