In the design of a shell and tube heat exchanger, the corrosion allowance Options: A . &nbspNeed not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc B . &nbspFor carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm C . &nbspFor internal cover and tube sheet is provided on both the sides D . &nbspAll of the above

In the design of a shell and tube heat exchanger, the corrosion allowance

Question

In the design of a shell and tube heat exchanger, the corrosion allowance

Options:

A . Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc

B . For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm

C . For internal cover and tube sheet is provided on both the sides

D . All of the above

Answer: Option D

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