Which of the following is an external factor that contributes to furnace problems?

A. Hot weather
B. Increased steam supply
C. Extremely wet weather
D. Downstream process upsets


A. Incorrect. Factors that contribute to furnace problems include the loss of steam supply, electrical failure, cold weather, extremely wet weather, and upstream process upsets.
B. Incorrect. Factors that contribute to furnace problems include the loss of steam supply, electrical failure, cold weather, extremely wet weather, and upstream process upsets.
C. Correct. Factors that contribute to furnace problems include the loss of steam supply, electrical failure, cold weather, extremely wet weather, and upstream process upsets.
D. Incorrect. Factors that contribute to furnace problems include the loss of steam supply, electrical failure, cold weather, extremely wet weather, and upstream process upsets.

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