Exercise: Heat Transfer Refrigeration And Air Conditioning

Questions for: Heat Transfer Refrigeration And Air Conditioning

An evaporator is also known as
A:
freezing coil
B:
cooling coil
C:
chilling coil
D:
all of these
Answer: D
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In a vapour compression system, the condition of refrigerant is dry saturated vapour
A:
before entering the compressor
B:
after leaving the compressor
C:
before entering the condenser
D:
after leaving the condenser
Answer: A
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The rate of heat flow through a body is . The term x/kA is known as
A:
thermal coefficient
B:
thermal resistance
C:
thermal conductivity
D:
none of these
Answer: B
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In counter-current flow heat exchangers
A:
both the fluids at inlet are in their hottest state
B:
both the fluids at inlet are in their coldest state
C:
both the fluids at exit are in their hottest state
D:
one fluid is coldest and the other is hottest at inlet
Answer: A
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The most commonly used method for the design of duct size is the
A:
velocity reduction method
B:
equal friction method
C:
static regain method
D:
dual or double method
Answer: C
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