The dry bulb temperature lines, on the psychrometric chart are
A. vertical and uniformly spaced
B. horizontal and uniformly spaced
C. horizontal and non-uniformly spaced
D. curved lines
Answer A
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
Answer C
Which of the following statement is correct?
A. The constant enthalpy lines are also constant wet bulb temperature lines.
B. The wet bulb and dry bulb temperature are equal at saturation condition.
C. The wet bulb temperature is a measure of enthalpy of moist air.
D. all of the above
Answer D
Which of the following refrigerant has the maximum ozone depletion potential in the stratophere?
A. Ammonia
B. Carbon dioxide
C. Sulphur dioxide
D. Flourine
A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be
A. 1 kW
B. 2 kW
C. 3 kW
D. 4 kW
