What will occur in a fire tube boiler if the water level within the shell is not maintained?
A) Fire box could build up creosote
B) Tubes could build up soot
C) Tubes could overheat
D) Excess steam production could occur
Answer: C
Explanation: A) Incorrect. With a fire tube boiler, the water level within the shell must always be maintained so that the tubes are covered. Otherwise, the tubes could overheat and become damaged.
B) Incorrect. With a fire tube boiler, the water level within the shell must always be maintained so that the tubes are covered. Otherwise, the tubes could overheat and become damaged.
C) Correct. With a fire tube boiler, the water level within the shell must always be maintained so that the tubes are covered. Otherwise, the tubes could overheat and become damaged.
D) Incorrect. With a fire tube boiler, the water level within the shell must always be maintained so that the tubes are covered. Otherwise, the tubes could overheat and become damaged.
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