Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning

11.
In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the
expansion valve to the evaporator
evaporator to the thermostat
condenser to the expansion valve
condenser to the evaporator
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
The absolute humidity is the mass of water vapour present in 1 m3 of dry air.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by
liquid pump
generator
absorber and generator
absorber, generator and liquid pump
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
The refrigerant used in small-tonnage commercial machines (hermetically sealed units) is
ammonia
carbon dioxide
sulphur dioxide
R-12
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
In a lithium bromide absorption refrigeration system
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
Answer: Option
Explanation:
No answer description is available. Let's discuss.