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Heat Transfer

Q1:

Pick out the wrong statement.

A Orifice baffles are never used in a shell and tube heat exchanger.

B Pressure drop on the shell side of a heat exchanger depends upon tube pitch also.

C In a horizontal tube evaporator, surface blanketing by air is avoided.

D Split ring type and pull through type floating heads are two commonly used floating heads is heat exchangers.

ANS:A - Orifice baffles are never used in a shell and tube heat exchanger.

The wrong statement is: "Orifice baffles are never used in a shell and tube heat exchanger." Orifice baffles can indeed be used in shell and tube heat exchangers. They are designed to control the flow distribution of the fluid within the shell side of the heat exchanger, ensuring proper mixing and heat transfer. Orifice baffles are often used to improve the performance of shell and tube heat exchangers, particularly in applications where flow maldistribution or vibration issues need to be addressed. Therefore, the statement is incorrect.



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