The boiling point of ammonia is___________________?
A. -100°C
B. -50°C
C. – 33.3°C
D. 0°C
E. 33.3°C
Which of the following cycles uses air as the refrigerant__________________?
A. Ericsson
B. Stirling
C. Carnot
D. Bell-coleman
E. none of the above
The relative coefficient of performance is_____________________?
A. actual COP/fheoretical COP
B. theoretical COP/actual COP
C. actual COP x theoretical COP
D. 1-actual COP x theoretical COP
E. 1-actual COP/fheoretical COP.
Clapeyron equation is applicable for registration at___________________?
A. saturation point of vapor
B. saturation point of liquid
C. sublimation temperature
D. triple point
E. critical point
In vapor compression cycle, the condition of refrigerant is very wet vapor________________?
A. after passing through the condenser
B. before passing through the condenser
C. after passing through the expansion or throttle valve
D. before entering the expansion valve
E. before entering the compressor
A refrigerant should have _____________________?
Pick up the wrong statement ?
A. Tow specific heat of liquid
B. high boiling point
C. high latent heat of vaporisation
D. higher critical temperature
E. low specific volume of vapour