Exercise: Heat Transfer Refrigeration And Air Conditioning

Questions for: Heat Transfer Refrigeration And Air Conditioning

The coefficient of performance of vapour compression refrigeration system is quite __________ as compared to air refrigeration system.
A:
low
B:
high
C:
D:
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
A:
which lies between the dry bulb and wet bulb temperatures of the incoming stream
B:
which lies between the wet bulb and dew point temperatures of the incoming stream
C:
which is lower than the dew point temperature of the incoming stream
D:
of adiabatic saturation of incoming stream
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
In a domestic vapour compression refrigerator, the refrigerant commonly used is
A:
CO2
B:
Ammonia
C:
R-12
D:
all of these
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Wein's law states that the wave length corresponding to __________ is proportional to the absolute temperature.
A:
minimum energy
B:
maximum energy
C:
D:
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The heat rejection factor (HRF) is given by
A:
1 + C.O.P
B:
1 - C.O.P.
C:
D:
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz