Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 21 kJ/min 210 kJ/min 620 kJ/min 420 kJ/min 21 kJ/min 210 kJ/min 620 kJ/min 420 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is Same More Less More or less depending on ambient conditions Same More Less More or less depending on ambient conditions ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Aluminium Brass Copper Steel Aluminium Brass Copper Steel ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = ρ V l /μ NN = hl/k NN = V²/t.cp NN = μ cp/k NN = ρ V l /μ NN = hl/k NN = V²/t.cp NN = μ cp/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Water at 0°C Mixture of ice and water under equilibrium conditions Solid and dry ice Ice at 4°C Water at 0°C Mixture of ice and water under equilibrium conditions Solid and dry ice Ice at 4°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Superheating in a refrigeration cycle Decreases C.O.P O.P remains unaltered Increases C.O.P Other factors decide C.O.P Decreases C.O.P O.P remains unaltered Increases C.O.P Other factors decide C.O.P ANSWER DOWNLOAD EXAMIANS APP