What is the most common type of heat exchanger?

A. Spiral
B. Double-pipe
C. Plate-and-frame
D. Shell-and-tube


A. Incorrect. The most common type of heat exchanger is the shell-and-tube exchanger.
B. Incorrect. The most common type of heat exchanger is the shell-and-tube exchanger.
C. Incorrect. The most common type of heat exchanger is the shell-and-tube exchanger.
D. Correct. The most common type of heat exchanger is the shell-and-tube exchanger.

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