Minnesota Special Engineer Boiler License
Practice Exam Questions and Answers
Question 1
What devices would only be found on a steam boiler?
Correct Answer
Steam pressure gauge, tricocks, Pressuretrols
Question 2
The valve or valves that must relieve all excess pressure on a steam or hot water boiler
are what?
Correct Answer
Safety valve and/or an ASME approved safety relief valve.
Question 3
All steam traps will prevent steam from passing through them but will allow what to
pass through them?
Correct Answer
Dirt, air, and condensate.
Question 4
What would the pyrometer tell you?
Correct Answer
The temperature
Page 1 of 12
, Question 5
On a hot water boiler, every time the burner operates the safety relief valve opens.
Why?
Correct Answer
The expansion tank is water logged, or the isolating valve for the expansion tank is
closed.
Question 6
A firing cycle consists of events that safely controls the burning of a fuel. What even
occur first?
Correct Answer
Safety controls must be in the circuit.
Question 7
True or False: Bottom blow down valves are used for both steam and hot water.
Correct Answer
True
Question 8
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?
Correct Answer
The log entry should start out with today's date NEXT what you did you do in the
boiler room NEXT sign your name
Question 9
To reduce thermal shock on hot water boilers, what devices are used?
Correct Answer
Low limit or low fire hold control, three way valve, run around pump.
Page 2 of 12
Practice Exam Questions and Answers
Question 1
What devices would only be found on a steam boiler?
Correct Answer
Steam pressure gauge, tricocks, Pressuretrols
Question 2
The valve or valves that must relieve all excess pressure on a steam or hot water boiler
are what?
Correct Answer
Safety valve and/or an ASME approved safety relief valve.
Question 3
All steam traps will prevent steam from passing through them but will allow what to
pass through them?
Correct Answer
Dirt, air, and condensate.
Question 4
What would the pyrometer tell you?
Correct Answer
The temperature
Page 1 of 12
, Question 5
On a hot water boiler, every time the burner operates the safety relief valve opens.
Why?
Correct Answer
The expansion tank is water logged, or the isolating valve for the expansion tank is
closed.
Question 6
A firing cycle consists of events that safely controls the burning of a fuel. What even
occur first?
Correct Answer
Safety controls must be in the circuit.
Question 7
True or False: Bottom blow down valves are used for both steam and hot water.
Correct Answer
True
Question 8
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?
Correct Answer
The log entry should start out with today's date NEXT what you did you do in the
boiler room NEXT sign your name
Question 9
To reduce thermal shock on hot water boilers, what devices are used?
Correct Answer
Low limit or low fire hold control, three way valve, run around pump.
Page 2 of 12
