What is the purpose of the portholes on the plates of plate heat exch – McqOptions

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1.	What is the purpose of the portholes on the plates of plate heat exchangers?
A.	To have a even flow of the fluid throughout the plate
B.	To drain the excess liquid from the plate
C.	To maintain the pressure inside the heat exchanger
D.	To stack the plates
Answer» B. To drain the excess liquid from the plate

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