Multiple Choice
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:
Verified
Correct Answer:
Verified
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Q4: The value of the wavelength for maximum
Q5: Joule sec is the unit of<br>A)universal gas
Q6: The thermal diffusivities for solids are generally<br>A)less
Q7: The unit of Stefan Boltzmann constant is<br>A)watt/cm<sup>2</sup>
Q9: Total emissivity of polished silver compared to
Q10: According to Stefan's law, the total radiation
Q11: Log mean temperature difference in case of
Q12: In heat exchangers, degree of approach is
Q13: The concept of overall coefficient of heat