Category: Refrigeration and Air conditioning Mcqs

A.Before compressor
B.Between compressor and condenser
C.Between condenser and evaporator
D.Between condenser and expansion vlve
E.Could be installed anywhere

A.Two ferrous materials
B.One ferrous and one non-ferrous material
C.Two non-ferrous materials
D.Two non-metals

A.Increases at atmospheric temperature
B.Increases as air gets wet
C.Increases as air gets drier
D.Remains constant always
E.None of the above

A.Below wet bulb temperature
B.Equal to wet bulb temperature
C.Slightly above wet bulb temperature
D.Wet bulb has no bearing on cooling load performance
E.None of the above

A.Compressor suction
B.Compressor discharge
C.Expansion valve
D.Condenser
E.All of the above

A.Operating the machine at higher speeds

C.Raising the higher temperature
D.Lowering the higher temperature
E.None of the above

A.C.O.P. is reduced
B.C.O.P. is increased
C.Work done is reduced
D.Refrigerating effect is reduced
E.None of the above

A.Wet vapour, very wet vapour
B.Wet vapour, dry vapour
C.High pressure saturated liquid, very wet vapour
D.Very wet vapour, high pressure, saturated liquid
E.None of the above

A.Ammonia is absorbed in water
B.Ammonia is absorbed in hydrogen
C.Hydrogen is absorbed in water
D.Ammonia evaporates in hydrogen
E.Hydrogen evaporates in ammonia

A.Increases at atmospheric temperature
B.Increases as air gets wet
C.Increases as air gets drier
D.remains constant always
E.None of the above