Which of the following is a symptom of fouling?

A. Increased diameter of the tubes
B. Loss of flow
C. Undesirable change in temperature
D. Insufficient heat output


A. Incorrect. A symptom of fouling is an undesirable change in temperature and change in pressure.
B. Incorrect. A symptom of fouling is an undesirable change in temperature and change in pressure.
C. Correct. A symptom of fouling is an undesirable change in temperature and change in pressure.
D. Incorrect. A symptom of fouling is an undesirable change in temperature and change in pressure.

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