1940.8 Kcal
1078.2 Kcal
2.0 Kcal
None of these
18
-40
-60
There is one point on the Fahrenheit and Celsius scales where the temperatures in degrees are equal. This is -40 °C and -40 °F.
Thermo - electric principle
Absorption refrigeration system
Vortex tube system
Vapour compression system
refrigerant mixture
absorbent
cooling substance
auxiliary refrigerant
Lithium bromide in vapour absorption refrigeration system is used as absorbent.
Domestic refrigeration
Commercial refrigeration
Gas liquification
All of the above