MI Boiler Operator Practice Questions - Michigan Boiler Operator License Exam

What does 'shrinkage' refer to in steam boiler operation?

An apparent drop in water level when steam demand suddenly decreases, caused by reduced steam bubble volume Physical contraction of the boiler shell during cool-down A decrease in steam production capacity over time Loss of water volume due to blowdown

Correct Answer:

An apparent drop in water level when steam demand suddenly decreases, caused by reduced steam bubble volume

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