Minnesota Special Engineer Boiler License Exam - Q & A

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Minnesota Special Engineer Boiler License Exam - Q & A What would the pyrometer tell you? The temperature An aqua state would be used on what type of boiler? A hot water boiler Globe valves are used... when you need to: Throttle or restrict the flow Three types of drafts are: Natural, forced, and induced. How do we know if we are using and approved safety valve for a steam boiler or a safety relief valve for a hot water boiler? A spring loaded direct acting safety valve or safety relief valve. Before testing a low water fuel cut-out what must be done? The burner must be on. Heat can be transferred in how many ways? Three. Aqua stats work by sensing: Temperature. Name the different ways heat can be transferred and give a definition of each way. Radiation, Conduction, Convection How many types of boilers are there? Three: Fire tube, Water tube, Cast iron sectional What type of boiler can be made larger? Cast Iron sectional What type of boiler has the water surrounding the tubes? Fire tube What type of boiler has the water running through the tubes? Water tube Boiler room log books area state of Minnesota requirement for ever boiler room, what are some of the things you should be writing down in the book? The log entry should start out with today's date NEXT what you did you do in the boiler room NEXT sign your name What is condensate? Condensed steam A firing cycle consists of events that safely controls the burning of a fuel. What even occur first? Safety controls must be in the circuit. After blowing down the water column and gauge glass you are looking for the: Water reentering the gauge glass to rise promptly. Give an example of cold water start for a hot water boiler. XXX Two low water fuel cut-outs are required when the BTU input of the burner exceeds: 750,000 A boiler equipped with the two low water fuel cut-outs must have _______________ on the secondary low water fuel cut-out. A manual reset. A boiler with a new burner OR a new boiler room must have: A kill switch by each door leaving the boiler room. The low water fuel cut off should be tested: At least once a day when the boiler is in operation. What is the purpose of a check valve used in a feed water line going to a steam boiler? To restrict the flow in one direction only. [Show More]

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