What component of a heat exchanger holds the tubes in a tube bundle apart so they do not touch one another?
A) Baffles
B) Tube sheet
C) Tube bundle
D) Spacer rods
Answer: D
Explanation: A) Incorrect. Baffles are partitions located inside a shell and tube heat exchanger that increase turbulent flow and reduce hot spots.
B) Incorrect. A tube sheet is a flat plate to which the tubes in a heat exchanger are fixed.
C) Incorrect. A tube bundle is a group of fixed or parallel tubes through which process fluids are circulated.
D) Correct. Spacer rods hold the tubes in a tube bundle apart so they do not touch one another.
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