1.33
2.33
3.33
4.33
B. 2.33
Same
More
Less
More/less depending on rating
Which lies between the dry bulb and wet bulb temperatures of the incoming stream
Which lies between the wet bulb and dew point temperatures of the incoming stream
Which is lower than the dew point temperature of the incoming stream
Of adiabatic saturation of incoming stream
Compressor and condenser
Condenser and receiver
Receiver and evaporator
Evaporator and compressor
High pressure saturated liquid
Wet vapour
Very wet vapour
Dry vapour
Before entering the compressor
After leaving the compressor
Before entering the condenser
After leaving the condenser
Wet bulb temperature
Relative humidity
Dry bulb temperature
Specific humidity
Remains constant
Increases
Decreases
None of these
100°C
50°C
33.3°C
0°C
Compressor
Condenser
Expansion valve
Evaporator
Wet bulb temperature
Dry bulb temperature
Dew point temperature
None of these
Water
Ammonia
Freon
Aqua-ammonia
0.2
1.2
5
6
Critical pressure of refrigerant
Much below critical pressure
Much above critical pressure
Near critical pressure
Remains constant
Increases
Decreases
None of these
Evaporator
Safety relief valve
Dehumidifier
Driers
0.2
1.2
5
6
The mass of water vapour present in 1 m3 of dry air
The mass of water vapour present in 1 kg of dry air
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure.
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure
Small
High
Equal
Anything
Kinetic theory of gases
Newton's law of gases
Dalton's law of partial pressures
Avogadro's hypothesis
Does not alter C.O.P.
Increases C.O.P.
Decreases C.O.P.
None of these
Heat of compression
Work done by compressor
Enthalpy increase in compressor
All of the above
Circulating more quantity of cooling water through the condenser
Using water colder than the main circulating water
Employing a heat exchanger
Any one of the above
T₁ / (T₂ - T₁)
(T₂ - T₁)/T₁
(T₁ - T₂)/T₁
T₂/ (T₂ - T₁)
Near critical temperature of refrigerant
Above critical temperature
At critical Temperature
Much below critical temperature
Condenser and expansion valve
Compressor and evaporator
Expansion valve and evaporator
Compressor and condenser
Inflammable
Toxic
Non-inflammable and toxic
Nontoxic and non-inflammable
B.P.F. - 1
1 - B. P.F.
1/ B.P.F.
1 + B.P.F.
Saturation point of vapour
Saturation point of liquid
Sublimation temperature
Triple point
21 kJ/min
210 kJ/min
420 kJ/min
620 kJ/min
Small displacements and low condensing pressures
Large displacements and high condensing pressures
Small displacements and high condensing pressures
Large displacements and low condensing pressures