Related Questions

In Electrolux refrigerator
A Ammonia is absorbed in hydrogen
B Ammonia is absorbed in water
C Ammonia evaporates in hydrogen
D Hydrogen evaporates in ammonia
The coefficient of performance of Electrolux refrigerator is the ratio of
A Heat supplied by the gas burner to the heat absorbed by the evaporator
B Heat absorbed by the evaporator to the heat supplied by the gas burner
C Heat supplied by the gas burner minus the heat absorbed by the evaporator to the heat supplied by the gas burner
D Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator
Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator.
A Equalize
B Reduce
C Increase
D None of these
One fourth the price of a TV is equal to 1/6th the price of a refrigerator. If the total cost of the TV and the refrigerator is Tk 60000, what is the price of the TV?
A Tk 22000
B Tk 24000
C Tk 27500
D None of these
A vapour absorption refrigerator uses _________ as a refrigerant.
A Water
B Ammonia
C Freon
D Aqua-ammonia
Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in
A Decreased solute solubility
B Large minimum liquid to gas (L/G) ratio
C Large number of trays
D All of the above
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be
A 1
B > 1
C ≤ 1
In a gas-liquid absorption coloumn, for obtaining the maximum absorption efficiency
A Liquid stream should be distributed uniformly
B Gas stream should be distributed uniformly
C Both gas as well as liquid streams should be distributed uniformly
D By passing should be completely avoided
Absorption accompanied with chemical reaction is exemplified by the absorption of
A Ammonia in water
B Benzol present in coke oven gas by wash oil
C SO2 in alkaline solution
D All of the above
In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase.
A Liquid
B Gas
C Both A & B
D Neither A nor B

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