Minnesota Special Boiler License Practice
Exam Questions and Answers
Question 1
How can you tell if the sight / gauge glass isn't working properly?
Correct Answer
Water move up and down slowly
Question 2
The rapid burning of fuel oxygen that the results in the release of heat is called?
Correct Answer
Combustion
Question 3
Minnesota state statue defines a "year" as _______ for low pressure heating boiler?
Correct Answer
12 months - to includes the heating season and the reminder maintaining the LP
boiler
Question 4
In accordance with the statutes for the state of Minnesota, one boiler horsepower for
steam coil type generator is equal to _______?
Correct Answer
5 sq. ft. of boiler heating surface.
Question 5
Boilers equipped with 2 LWCO's must have what on the auxiliary LWCO?
Correct Answer
Manual reset
Page 1 of 16
,Question 6
The purpose of the lever on a safety valve is?
Correct Answer
To test the operation
Question 7
In most US jurisdictions , a(n)________boiler inspection is mandated by law?
Correct Answer
Annual
Question 8
For high pressure boilers, a year is defined as?
Correct Answer
2000 hours
Question 9
The LWCO should be tested:
Correct Answer
Daily
Question 10
On a steam boiler what is used to reduce the amount of movement of the water so
the operator can get accurate reading of the water level in the gauge glass?
Correct Answer
Water Column
Question 11
Tri- Cocks or gauge are sued on steam boiler yo indicate?
Correct Answer
The true water level inside the boiler.
Page 2 of 16
, Question 12
How does a pressuretrol attach to the steam space of boiler control the burner
operation?
Correct Answer
On pressure decrease - starts the burner.
Question 13
What is the best way to test the low water fuel cut off?
Correct Answer
An evaporating test-if the water goes out the glasses before the burner shuts down
secure the fire immediately.
Question 14
A high pressure steam boiler is a boiler with an MAVP of more than_______psi?
Correct Answer
15
Question 15
The control designed as a safety back up, should the operating fail is:
Correct Answer
A high limit control
Question 16
When a hydrostatic test of a boiler exceeds the maximum allowed working pressure
each safety valve, if left attached to the boiler, should:
Correct Answer
Have its valve disc held to its seat by means of testing clamp or "gag"
Page 3 of 16
Exam Questions and Answers
Question 1
How can you tell if the sight / gauge glass isn't working properly?
Correct Answer
Water move up and down slowly
Question 2
The rapid burning of fuel oxygen that the results in the release of heat is called?
Correct Answer
Combustion
Question 3
Minnesota state statue defines a "year" as _______ for low pressure heating boiler?
Correct Answer
12 months - to includes the heating season and the reminder maintaining the LP
boiler
Question 4
In accordance with the statutes for the state of Minnesota, one boiler horsepower for
steam coil type generator is equal to _______?
Correct Answer
5 sq. ft. of boiler heating surface.
Question 5
Boilers equipped with 2 LWCO's must have what on the auxiliary LWCO?
Correct Answer
Manual reset
Page 1 of 16
,Question 6
The purpose of the lever on a safety valve is?
Correct Answer
To test the operation
Question 7
In most US jurisdictions , a(n)________boiler inspection is mandated by law?
Correct Answer
Annual
Question 8
For high pressure boilers, a year is defined as?
Correct Answer
2000 hours
Question 9
The LWCO should be tested:
Correct Answer
Daily
Question 10
On a steam boiler what is used to reduce the amount of movement of the water so
the operator can get accurate reading of the water level in the gauge glass?
Correct Answer
Water Column
Question 11
Tri- Cocks or gauge are sued on steam boiler yo indicate?
Correct Answer
The true water level inside the boiler.
Page 2 of 16
, Question 12
How does a pressuretrol attach to the steam space of boiler control the burner
operation?
Correct Answer
On pressure decrease - starts the burner.
Question 13
What is the best way to test the low water fuel cut off?
Correct Answer
An evaporating test-if the water goes out the glasses before the burner shuts down
secure the fire immediately.
Question 14
A high pressure steam boiler is a boiler with an MAVP of more than_______psi?
Correct Answer
15
Question 15
The control designed as a safety back up, should the operating fail is:
Correct Answer
A high limit control
Question 16
When a hydrostatic test of a boiler exceeds the maximum allowed working pressure
each safety valve, if left attached to the boiler, should:
Correct Answer
Have its valve disc held to its seat by means of testing clamp or "gag"
Page 3 of 16
