Answer: c Explanation: There exist only three possible baffles to be used in a shell and tube heat exchanger which are Orifice baffle, segmental baffle and doughnut baffle.

What are the types of baffles exist for a shell and tube heat exchanger? a) Cross baffle, Split baffle and segmental baffle b) Counter baffle, doughnut baffle and Cross baffle c) Orifice baffle, segmental baffle and doughnut baffle d) Orifice baffle, segmental baffle and Counter baffle