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Gearup-JE'19: Heat Transfer Quiz-3
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Question 1
In a two- fluid heat exchanger, the inlet and outlet temperature of the hot fluid are 650 C and 400 C respectively. For the cold fluid, these are 150 C and 430 C. the heat exchanger is a
Question 2
In heat transfer, the purpose of Exchanger is:
Question 3
Which is true in case of heat exchanger?
Question 4
For a specified inlet and outlet temperatures, for which kind of heat exchanger will the log mean temperature difference, 
will be highest?
will be highest? Question 5
The main objective of a heat exchanger is to recover or reject heat, so in other applications of heat exchanger the objective may be to :
Question 6
A: A parallel flow heat exchanger is better than a counter flow heat exchanger.
R: In a counter flow heat exchanger, the temperature difference between the cold and hot fluid is at a given instant remains almost constant throughout.
R: In a counter flow heat exchanger, the temperature difference between the cold and hot fluid is at a given instant remains almost constant throughout.
Question 7
In Heat exchanger, baffles are mainly used in shell and tube to
Question 8
Air can be best heated by steam in heat exchanger of
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