1. What is a heat exchanger that is used to supply the heat necessary to drive a distillation column?
A. Reboiler
B. Preheater
C. Interchanger
D. Condenser
A. Correct. A reboiler is a tubular heat exchanger, usually placed near the base of a distillation column or stripper, which is used to supply necessary column heat.
B. Incorrect. A preheater is a heat exchanger that adds heat to fluids prior to a process operation.
C. Incorrect. An interchanger (cross exchanger) is a process-to-process heat exchanger.
D. Incorrect. A condenser is a heat exchanger used to convert a vapor to a liquid.
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