Chemical Engineering - Process Equipment and Plant Design - Discussion

A 25 per cent cut segmental baffle is a type of baffle commonly used in the construction of shell-and-tube heat exchangers. A baffle is a plate or structure that is used to support and direct the flow of fluids in a heat exchanger, promoting efficient heat transfer between the two fluids.

In a 25 percent cut segmental baffle, the baffle plate is cut in a specific way, such that it covers only 75 percent of the tube bundle's cross-sectional area. This creates a flow path for the fluid, allowing it to pass through the uncovered section of the tube bundle while being diverted around the covered portion by the baffle.

The purpose of a 25 per cent cut segmental baffle is to promote turbulent flow in the heat exchanger, which enhances heat transfer efficiency. This type of baffle is commonly used in applications where high heat transfer rates are required, such as in the chemical and petrochemical industries.

So the correct answer is A only