Exercise: Heat Transfer Refrigeration And Air Conditioning

Questions for: Heat Transfer Refrigeration And Air Conditioning

In a refrigeration system, the expansion device is connected between the
A:
compressor and condenser
B:
condenser and receiver
C:
receiver and evaporator
D:
evaporator and compressor
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
A furnace is made of a red brick wall of thickness 0.5 m and conductivity 0.7 W/mK. For the same heat loss and temperature drop, this can be replaced by a layer of diatomite earth of conductivity 0.14 W/mK and thickness
A:
0.5 m
B:
0.1 m
C:
0.2 m
D:
0.5 m
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The amount of heat flow through a body by conduction is
A:
directly proportional to the surface area of the body
B:
directly proportional to the temperature difference on the two faces of the body
C:
inversely proportional to the thickness of the body
D:
all of the above
Answer: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same range of temperature, results in __________ power per tonne of refrigeration.
A:
same
B:
lower
C:
higher
D:
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The human body feels comfortable when the heat stored in the body is
A:
positive
B:
negative
C:
zero
D:
none of these
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz