Minnesota Special Engineer Boiler License Practice Exam Questions and Answers

Minnesota Special Engineer Boiler License
Practice Exam Questions and Answers
Question 1
What is the purpose of the expansion tank?
Correct Answer
To provide for expansion and contraction of the water volume as its temperature
varies.



Question 2
A Tri indicator could be found on a:
Correct Answer
Hot water boiler



Question 3
Special Engineer may serve as an apprentice of what size water/liquid or steam/vapor
boiler?

Correct Answer
In any plant regardless of size under the direct supervision of a properly licensed
engineer.



Question 4
What is the purpose of the bottom blow down on a steam boiler?
Correct Answer
To remove sludge and sediment and to drain the boiler.




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, Question 5
What device must be located between a hot water boiler and the expansion tank?
Correct Answer
A shut off valve so the expansion can be isolated and drained during operation of
the boiler.



Question 6
How many types of boilers are there?
Correct Answer
Three: Fire tube, Water tube, Cast iron sectional



Question 7
A person holding a current State of Minnesota Special Engineers License could be in
charge of, or a shift engineer in what size plant(s)?
Correct Answer
High and Low pressure boilers not to exceed a total of 50 boiler horsepower, or a
shift engineer in a 100 horsepower plant.



Question 8
An aqua state would be used on what type of boiler?
Correct Answer
A hot water boiler



Question 9
An ASME approved safety relieve calve used on a hot water boiler is tested at the
factory on what?
Correct Answer
Steam first then hot water.




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