MI Boiler Operator Practice Questions - Michigan Boiler Operator License Exam

What happens if a boiler is operated with the water level below the lowest visible part of the gauge glass?

The heating surfaces may be exposed, leading to overheating, tube failure, or explosion The boiler will automatically increase feedwater flow to compensate The safety valve will open to reduce pressure The burner will switch to low-fire automatically

Correct Answer:

The heating surfaces may be exposed, leading to overheating, tube failure, or explosion

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