MI Boiler Operator Practice Questions - Michigan Boiler Operator License Exam

What is the proper order for opening valves to bring a steam boiler on line and connect to the header?

Open the boiler steam stop valve slowly, then open the header valve, warming the piping gradually Open the header valve fully first, then quickly open the boiler steam stop valve Open both valves simultaneously as fast as possible Open the header valve and let pressure equalize before opening the boiler steam stop valve

Correct Answer:

Open the boiler steam stop valve slowly, then open the header valve, warming the piping gradually

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