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Minnesota Special Engineer Boiler License Exam Guide (Latest Update) | Questions and Verified Answers | 100% Correct
Question 1: After blowing down column and glass the water
should return how?
Correct answer: Quickly
Question 2: When entering a steam boiler room what is the first
thing an operator should do?
Correct answer: Check water level
Question 3: What type of safety valve is required?
Correct answer: A.S.M.E. approved direct spring loaded
Question 4: When operating a boiler what is most important?
Correct answer: Safety
Question 5: When draining a boiler how should you cool it?
Correct answer: Slowly
Question 6: How does a low water cut off protect a boiler?
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Correct answer: Shuts off fuel in case of low water
Question 7: If you cannot determine water level what should
you do?
Correct answer: Shut off burner or extinguish fire
Question 8: Why is a lifting lever on a safety valve?
Correct answer: Test operation of the valve
Question 9: Which is the most important valve on a boiler?
Correct answer: Safety valve
Question 10: Who is responsible for a boiler inspection?
Correct answer: Owner or properly licensed engineer
Question 11: If water glass is shut off or plugged what do you
do?
Correct answer: Continue in operation using tri cocks with
continuous attendance
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Question 12: What is the process of removing unburned gas
from the combustion chamber called?
Correct answer: Purging
Question 13: A safety valve is attached to a steam boiler for
what purpose?
Correct answer: To prevent over pressure
Question 14: If a boiler became low on water who must be
notified?
Correct answer: The boiler inspector
Question 15: If a low water cut off does not work when tested
what do you do?
Correct answer: Shut down and repair immediately
Question 16: What is the purpose of an expansion tank?
Correct answer: Allows for expansion and contraction as water
volume varies
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Question 17: State of MN requires boilers to be inspected how
often?
Correct answer: Depends if it is steam or hot water
Question 18: How long do you vent a boiler before starting
fires?
Correct answer: 4 air exchanges
Question 19: What is the rapid burning of fuel and oxygen
resulting in heat?
Correct answer: Combustion
Question 20: What is the purpose of bottom blowdowns besides
removing sludge?
Correct answer: To drain the boiler
Question 21: What turns a hot water boiler on based on water
temperature?