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Heat Transfer

Q1: In a multipass shell and tube heat exchanger, tube side return pressure loss is equal to __________ the velocity head.

A twice

B four times

C square root of

D square of

ANS:B - four times

n a multipass shell and tube heat exchanger, the tube side return pressure loss is equal to the square of the velocity head. The pressure loss (or drop) in a fluid flow system is often expressed in terms of the velocity head, which is defined as 2gv2​, where v is the velocity of the fluid and g is the acceleration due to gravity. Therefore, the correct option is: square of

 



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