Minnesota Special Engineer Boiler License Practice Exam Questions, Specia
Boiler License Practice Exam Minnesota, Safe Boiler Operation Fundamen
tals—Special Engineer's Guide for the State of Minnesota, Practice Test #1
Special Boiler License Study...
Study online at https://quizlet.com/_c1c0sk
1. For the purpose of rating boiler horsepower for 10 Sq. Ft. Heating Surface
an Engineers License only, how many square feet
of boiler surface shall be equivalent to one boiler
horsepower on a boiler?
2. What is meant by the term "Low Pressure Boiler"? Boilers operating at a steam or
other vapor pressure of 15psig
or less, or a hot water or other
liquid boiler in which the pres-
sure does not exceed 160 psig
or a temperature of 250 de-
grees F.
3. A person holding a current State of Minnesota High and Low pressure boilers
Special Engineers License could be in charge of, or not to exceed a total of 50 boiler
a shift engineer in what size plant(s)? horsepower, or a shift engineer
in a 100 horsepower plant.
4. Special Engineer may serve as an apprentice of In any plant regardless of size
what size water/liquid or steam/vapor boiler? under the direct supervision of
a properly licensed engineer.
5. The purpose of low water cut out on a steam or Shut off the burner when a low
hot water boiler is to what? water condition exists.
6. The valve or valves that must relieve all excess Safety valve and/or an ASME
pressure on a steam or hot water boiler are what? approved safety relief valve.
7. A Tri indicator could be found on a: Hot water boiler
, Minnesota Special Engineer Boiler License Practice Exam Questions, Specia
Boiler License Practice Exam Minnesota, Safe Boiler Operation Fundamen
tals—Special Engineer's Guide for the State of Minnesota, Practice Test #1
Special Boiler License Study...
Study online at https://quizlet.com/_c1c0sk
8. A tri indicator would inform the boiler operator of The TEMPERATURE of the water,
what? the PRESSURE of the water in
PSIG, and the ALTITUDE of water
in feet.
9. What is the destructive force in a steam or hot The instant release of energy
water boiler explosion? stored in the water as heat.
10. An ASME approved safety relieve calve used on a Steam first then hot water.
hot water boiler is tested at the factory on what?
11. Some of the things you could find on a steam Low water cut off, safety valve
boiler (or hot water boiler) are what? or safety relief valve, pressure
gauge.
12. What devices would only be found on a steam Steam pressure gauge, tricocks,
boiler? Pressuretrols
13. An expansion tank or compression tank would be Hot water boiler
used in what?
14. What is the purpose of the expansion tank? To provide for expansion and
contraction of the water volume
as its temperature varies.
15. On a hot water boiler, what is the purpose of the To make sure there is water in-
vent valve? side the boiler and to vent any
trapped air.
16. If the safety valve or ASME safety relief valve leaks Have the valve repaired or re-
you would do what? placed.
, Minnesota Special Engineer Boiler License Practice Exam Questions, Specia
Boiler License Practice Exam Minnesota, Safe Boiler Operation Fundamen
tals—Special Engineer's Guide for the State of Minnesota, Practice Test #1
Special Boiler License Study...
Study online at https://quizlet.com/_c1c0sk
17. Tri cocks or gauge cocks are sued on a steam boiler The true water level inside the
to indicate? boiler.
18. On a steam or hot water boiler, the safety valve or When the boiler is running lift-
safety relief valve could be tested by? ing the lever on the valve or rais-
ing the pressure until they op-
erate.
19. Before starting a steam or hot water boiler you Water in the boiler.
should check for what?
20. True or False: Bottom blow down valves are used True
for both steam and hot water.
21. Safety valves or safety relief valves should be man- Monthly
ually tested at least...?
22. The low water cut out is one of the most important Daily
electrical/mechanical devices on your boiler. How
often should you test it?
23. What device must be located between a hot water A shut off valve so the expansion
boiler and the expansion tank? can be isolated and drained
during operation of the boiler.
24. On a hot water boiler, every time the burner oper- The expansion tank is water
ates the safety relief valve opens. Why? logged, or the isolating valve for
the expansion tank is closed.
25. An Aquastat is used on a...? Hot water boiler
, Minnesota Special Engineer Boiler License Practice Exam Questions, Specia
Boiler License Practice Exam Minnesota, Safe Boiler Operation Fundamen
tals—Special Engineer's Guide for the State of Minnesota, Practice Test #1
Special Boiler License Study...
Study online at https://quizlet.com/_c1c0sk
26. To reduce thermal shock on hot water boilers, Low limit or low fire hold con-
what devices are used? trol, three way valve, run around
pump.
27. On a steam boiler the control named operator On pressure decrease: Start. On
will... pressure increase: Stop.
28. On a hot water boiler the control called the opera- On temperature decrease: Start.
tor will... On temperature increase: Stop.
29. On a steam boiler what is a siphon or pigtail used To protect the steam gauge
for? from too high of temperature.
30. What is one reason causing the expansion tank to Air leaks from the gauge glass
fill with water? fitting.
31. What would you do if you cam into a boiler room Shut off the burner and allow
and found no water in the boiler? boiler to cool.
32. What is the purpose of the bottom blow down on To remove sludge and sediment
a steam boiler? and to drain the boiler.
33. When blowing down the water column the water Refill the gauge glass quickly.
should do what?
34. When doing the annual boiler inspection the boil- Water and fire side cleaned and
er should... inspection ports open.
35. Purging is part of what cycle? Firing cycle
36. Dirt, air, and condensate.
Boiler License Practice Exam Minnesota, Safe Boiler Operation Fundamen
tals—Special Engineer's Guide for the State of Minnesota, Practice Test #1
Special Boiler License Study...
Study online at https://quizlet.com/_c1c0sk
1. For the purpose of rating boiler horsepower for 10 Sq. Ft. Heating Surface
an Engineers License only, how many square feet
of boiler surface shall be equivalent to one boiler
horsepower on a boiler?
2. What is meant by the term "Low Pressure Boiler"? Boilers operating at a steam or
other vapor pressure of 15psig
or less, or a hot water or other
liquid boiler in which the pres-
sure does not exceed 160 psig
or a temperature of 250 de-
grees F.
3. A person holding a current State of Minnesota High and Low pressure boilers
Special Engineers License could be in charge of, or not to exceed a total of 50 boiler
a shift engineer in what size plant(s)? horsepower, or a shift engineer
in a 100 horsepower plant.
4. Special Engineer may serve as an apprentice of In any plant regardless of size
what size water/liquid or steam/vapor boiler? under the direct supervision of
a properly licensed engineer.
5. The purpose of low water cut out on a steam or Shut off the burner when a low
hot water boiler is to what? water condition exists.
6. The valve or valves that must relieve all excess Safety valve and/or an ASME
pressure on a steam or hot water boiler are what? approved safety relief valve.
7. A Tri indicator could be found on a: Hot water boiler
, Minnesota Special Engineer Boiler License Practice Exam Questions, Specia
Boiler License Practice Exam Minnesota, Safe Boiler Operation Fundamen
tals—Special Engineer's Guide for the State of Minnesota, Practice Test #1
Special Boiler License Study...
Study online at https://quizlet.com/_c1c0sk
8. A tri indicator would inform the boiler operator of The TEMPERATURE of the water,
what? the PRESSURE of the water in
PSIG, and the ALTITUDE of water
in feet.
9. What is the destructive force in a steam or hot The instant release of energy
water boiler explosion? stored in the water as heat.
10. An ASME approved safety relieve calve used on a Steam first then hot water.
hot water boiler is tested at the factory on what?
11. Some of the things you could find on a steam Low water cut off, safety valve
boiler (or hot water boiler) are what? or safety relief valve, pressure
gauge.
12. What devices would only be found on a steam Steam pressure gauge, tricocks,
boiler? Pressuretrols
13. An expansion tank or compression tank would be Hot water boiler
used in what?
14. What is the purpose of the expansion tank? To provide for expansion and
contraction of the water volume
as its temperature varies.
15. On a hot water boiler, what is the purpose of the To make sure there is water in-
vent valve? side the boiler and to vent any
trapped air.
16. If the safety valve or ASME safety relief valve leaks Have the valve repaired or re-
you would do what? placed.
, Minnesota Special Engineer Boiler License Practice Exam Questions, Specia
Boiler License Practice Exam Minnesota, Safe Boiler Operation Fundamen
tals—Special Engineer's Guide for the State of Minnesota, Practice Test #1
Special Boiler License Study...
Study online at https://quizlet.com/_c1c0sk
17. Tri cocks or gauge cocks are sued on a steam boiler The true water level inside the
to indicate? boiler.
18. On a steam or hot water boiler, the safety valve or When the boiler is running lift-
safety relief valve could be tested by? ing the lever on the valve or rais-
ing the pressure until they op-
erate.
19. Before starting a steam or hot water boiler you Water in the boiler.
should check for what?
20. True or False: Bottom blow down valves are used True
for both steam and hot water.
21. Safety valves or safety relief valves should be man- Monthly
ually tested at least...?
22. The low water cut out is one of the most important Daily
electrical/mechanical devices on your boiler. How
often should you test it?
23. What device must be located between a hot water A shut off valve so the expansion
boiler and the expansion tank? can be isolated and drained
during operation of the boiler.
24. On a hot water boiler, every time the burner oper- The expansion tank is water
ates the safety relief valve opens. Why? logged, or the isolating valve for
the expansion tank is closed.
25. An Aquastat is used on a...? Hot water boiler
, Minnesota Special Engineer Boiler License Practice Exam Questions, Specia
Boiler License Practice Exam Minnesota, Safe Boiler Operation Fundamen
tals—Special Engineer's Guide for the State of Minnesota, Practice Test #1
Special Boiler License Study...
Study online at https://quizlet.com/_c1c0sk
26. To reduce thermal shock on hot water boilers, Low limit or low fire hold con-
what devices are used? trol, three way valve, run around
pump.
27. On a steam boiler the control named operator On pressure decrease: Start. On
will... pressure increase: Stop.
28. On a hot water boiler the control called the opera- On temperature decrease: Start.
tor will... On temperature increase: Stop.
29. On a steam boiler what is a siphon or pigtail used To protect the steam gauge
for? from too high of temperature.
30. What is one reason causing the expansion tank to Air leaks from the gauge glass
fill with water? fitting.
31. What would you do if you cam into a boiler room Shut off the burner and allow
and found no water in the boiler? boiler to cool.
32. What is the purpose of the bottom blow down on To remove sludge and sediment
a steam boiler? and to drain the boiler.
33. When blowing down the water column the water Refill the gauge glass quickly.
should do what?
34. When doing the annual boiler inspection the boil- Water and fire side cleaned and
er should... inspection ports open.
35. Purging is part of what cycle? Firing cycle
36. Dirt, air, and condensate.
