Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = ρ V l /μ NN = V²/t.cp NN = μ cp/k NN = hl/k NN = ρ V l /μ NN = V²/t.cp NN = μ cp/k NN = hl/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1 - B.P.F. 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B.P.F. 1 + B.P.F. P.F. - 1 1/ B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The undesirable property of a refrigerant is Non-toxic Non-flammable Non-explosive High boiling point Non-toxic Non-flammable Non-explosive High boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when It is not affected by the moisture present in the air Its bulb is surrounded by a wet cloth exposed to the air The moisture present in it begins to condense None of these It is not affected by the moisture present in the air Its bulb is surrounded by a wet cloth exposed to the air The moisture present in it begins to condense None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Sum of (A) and (B) Heat stored in the human body Difference of (A) and (B) Heat dissipated to the surroundings Sum of (A) and (B) Heat stored in the human body Difference of (A) and (B) Heat dissipated to the surroundings ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In Electrolux refrigerator Ammonia is absorbed in water Ammonia is absorbed in hydrogen Hydrogen evaporates in ammonia Ammonia evaporates in hydrogen Ammonia is absorbed in water Ammonia is absorbed in hydrogen Hydrogen evaporates in ammonia Ammonia evaporates in hydrogen ANSWER DOWNLOAD EXAMIANS APP
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