LMTD in case of counter flow heat exchanger as compared-to parallel flow heat exchanger is
A) higher
B) lower
C) same
D) depends on the area of heat exchanger
E) depends on temperature conditions.
Correct Answer:
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Q2: In heat exchangers, degree of approach is
Q3: In counter flow heat exchangers
A)both the fluids
Q4: A steam pipe is to be insulated
Q5: Fourier's law of heat conduction is valid
Q6: According of Kirchhoff's law,
A)radiant heat is proportional
Q7: All radiations in a black body are
A)reflected
B)refracted
C)transmitted
D)absorbed
E)partly
Q8: According to Kirchoff's law, the ratio of
Q9: The concept of overall coefficient of heat
Q10: Joule sec is the unit of
A)universal gas
Q11: The value of Prandtl number for air
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