Pressure lines
Temperature lines
Total heat lines
Entropy lines
C. Total heat lines
The constant enthalpy lines are also constant wet bulb temperature lines.
The wet bulb and dry bulb temperature are equal at saturation condition.
The wet bulb temperature is a measure of enthalpy of moist air.
All of the above
Domestic refrigerators
Water coolers
Room air conditioners
All of these
Compressor
Condenser
Expansion valve
Evaporator
(hA - h2)/ (h1 - h2)
(h2 - hA)/ (h1 - h2)
(h1 - h2)/ (hA - h2)
(hA - h1)/ (h2 - h1)
Lithium bromide is used as a refrigerant and water as an absorbent
Water is used as a refrigerant and lithium bromide as an absorbent
Ammonia is used as a refrigerant and lithium bromide as an absorbent
None of the above
Equal to
Less than
Greater than
None of these
Reversed Carnot cycle
Reversed Joule cycle
Reversed Brayton cycle
Reversed Otto cycle
Carbon dioxide
Sulphur dioxide
Lithium bromide
R-12
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
Between the combustion chamber and the first heat exchanger
Between the first heat exchanger and the secondary compressor
Between the secondary compressor and the second heat exchanger
Between the second heat exchanger and the cooling turbine
Vertical and uniformly spaced
Horizontal and uniformly spaced
Horizontal and non-uniformly spaced
Curved lines
Compressor and condenser
Condenser and receiver
Receiver and evaporator
Evaporator and compressor
1 kW
2 kW
3 kW
4 kW
Saturated liquid
Wet vapour
Dry saturated vapour
Superheated vapour
20 to 50°C
50 to 70°C
70 to 110°C
None of these
Frosting evaporator
Non-frosting evaporator
Defrosting evaporator
None of these
T₁ / (T₂ - T₁)
(T₂ - T₁)/T₁
(T₁ - T₂)/T₁
T₂/ (T₂ - T₁)
Small
High
Equal
Anything
Above which liquid will remain liquid
Above which liquid becomes gas
Above which liquid becomes vapour
Above which liquid becomes solid
100°C
50°C
33.3°C
0°C
Strong solution to weak solution
Weak solution to strong solution
Strong solution to ammonia vapour
Ammonia vapours to weak solution
Humidity ratio
Relative humidity
Absolute humidity
Degree of saturation
Ammonia
Carbon dioxide
Sulphur dioxide
R-12
T₁/(T₂ - T₁)
(T₂ - T₁)/T₁
(T₁ - T₂)/T₁
T₂/(T₂ - T₁)
-86.6°C
-95.2°C
-107.7°C
-135.8°C
Remains constant
Increases
Decreases
None of these
Horizontal line
Vertical line
Inclined line
Curved line
Condensation of the refrigerant vapour
Evaporation of the refrigerant liquid
Compression of the refrigerant vapour
Metering of the refrigerant liquid
Same
Lower
Higher
None of these
Reversed Carnot cycle
Bell Coleman cycle
Both (A) and (B)
None of these