BOILERS FINAL CORRECT
QUESTIONS & ANSWERS(RATED A+)
For the purpose of rating boiler horsepower for an Engineer's License only, what
should be equivalent to one boiler horsepower on a boiler? - ANSWER10 sq. ft.
heating surface or 67,000 but input
A person holding a current state of Minnesota Special Engineer License could be in
charge of? - ANSWERHigh and Low pressure boilers not to exceed a total of 50
boiler horsepower
On the hot water boiler, the expansion tank/compression tank is used to: -
ANSWERAllow for expansion and contraction of the water volume as the
temperature varies
A Special Engineer could be a shift engineer in a plant of not more than -
ANSWER100 boiler horsepower
What is the most important valve on the boiler? - ANSWERSafety valve
What is meant by the term "low pressure boiler?" - ANSWERBoilers operating at a
steam or other vapor pressure of 15 PSIG or less or a water or other liquid boiler in
which the pressure does not exceed 160 PSIG or a temperature of 250°
What is the minimum age requirement to take a special engine's license? -
ANSWER16 years of with an approved course or 18 years old
How many questions are on the special engineer exam and what is the minimum
passing score? - ANSWER50 questions, 70% correct
A special engineer may serve as an apprentice in what size water or other liquid or
steam or other vapor boiler? - ANSWERAny plant regardless of size under the direct
supervision of the properly licensed engineer
How often must a boiler license be renewed? - ANSWEREvery 24 months/2 years
What boiler accessory could be installed in the breeching or stack to regulate draft? -
ANSWERDamper
The purpose of the low water cut out on a steam or hot water boiler is to? -
ANSWERShut off the burner when a low water condition exists
When blowing down the water column/guage glass, the water should? -
ANSWERRefill the gauge glass moderately quickly
, The valve or valves that must relieve all excess pressure on a steam or hot water
boiler are? - ANSWERSafety valve and/or safety relief valves ASME approved
All steam traps will prevent steam from passing through them, but will allow what to
pass through them? - ANSWERAir and condensate
What duty does the electric eye (flame scanner) perform on an oil or gas burner? -
ANSWERFlame failure, shuts off full system if pilot/main frame is not detected
The water column is a boiler fitting that: - ANSWERReduces the turbulence of boiler
water to provide an accurate water level
The low water cut out is one of the most important electrical/mechanical devices on
your boiler. Test it while the burner is firing how often? - ANSWERDaily/each shift
When doing boiler water safety tests, the boiler operator should: - ANSWERMake
sure the water level is always visible to the operator performing the test
After a hot water has been drained, cleaned, and refilled with water, what must be
done? - ANSWEREvacuate all air from the system
Heat can be transferred by? - ANSWERConduction, convection, radiation
A Tru indicator on hot water boilers would inform the boiler operator of: - ANSWER1.
Temperature of the water
2. Pressure of the water in PSIG
3. Altitude of the water in feet
Which type of boiler has gases of combustion inside the tubes and water
surrounding the tubes? - ANSWERFire tube
What is the destructive force in a steam or hot water boiler explosion? -
ANSWERThe instant release of energy stored in the water as heat
No boiler shall be left unattended for more than: - ANSWER2 consecutive days/48
hours
An ASME approved safety relief valve used on a hot water boiler is tested at the
factory on: - ANSWERHot water only
The dial of a steam gauge must be graduated to what percentage of the safety
valve? - ANSWER1 1/2 (1.5) to 2 times
Tri cocks or gauge cocks are used on a steam boiler to - ANSWERIndicate the true
water level inside the boiler
New boilers and those that have had extensive repairs in Minnesota require what
type of test witnessed by a State Boiler Inspector? - ANSWERHydrostatic test
QUESTIONS & ANSWERS(RATED A+)
For the purpose of rating boiler horsepower for an Engineer's License only, what
should be equivalent to one boiler horsepower on a boiler? - ANSWER10 sq. ft.
heating surface or 67,000 but input
A person holding a current state of Minnesota Special Engineer License could be in
charge of? - ANSWERHigh and Low pressure boilers not to exceed a total of 50
boiler horsepower
On the hot water boiler, the expansion tank/compression tank is used to: -
ANSWERAllow for expansion and contraction of the water volume as the
temperature varies
A Special Engineer could be a shift engineer in a plant of not more than -
ANSWER100 boiler horsepower
What is the most important valve on the boiler? - ANSWERSafety valve
What is meant by the term "low pressure boiler?" - ANSWERBoilers operating at a
steam or other vapor pressure of 15 PSIG or less or a water or other liquid boiler in
which the pressure does not exceed 160 PSIG or a temperature of 250°
What is the minimum age requirement to take a special engine's license? -
ANSWER16 years of with an approved course or 18 years old
How many questions are on the special engineer exam and what is the minimum
passing score? - ANSWER50 questions, 70% correct
A special engineer may serve as an apprentice in what size water or other liquid or
steam or other vapor boiler? - ANSWERAny plant regardless of size under the direct
supervision of the properly licensed engineer
How often must a boiler license be renewed? - ANSWEREvery 24 months/2 years
What boiler accessory could be installed in the breeching or stack to regulate draft? -
ANSWERDamper
The purpose of the low water cut out on a steam or hot water boiler is to? -
ANSWERShut off the burner when a low water condition exists
When blowing down the water column/guage glass, the water should? -
ANSWERRefill the gauge glass moderately quickly
, The valve or valves that must relieve all excess pressure on a steam or hot water
boiler are? - ANSWERSafety valve and/or safety relief valves ASME approved
All steam traps will prevent steam from passing through them, but will allow what to
pass through them? - ANSWERAir and condensate
What duty does the electric eye (flame scanner) perform on an oil or gas burner? -
ANSWERFlame failure, shuts off full system if pilot/main frame is not detected
The water column is a boiler fitting that: - ANSWERReduces the turbulence of boiler
water to provide an accurate water level
The low water cut out is one of the most important electrical/mechanical devices on
your boiler. Test it while the burner is firing how often? - ANSWERDaily/each shift
When doing boiler water safety tests, the boiler operator should: - ANSWERMake
sure the water level is always visible to the operator performing the test
After a hot water has been drained, cleaned, and refilled with water, what must be
done? - ANSWEREvacuate all air from the system
Heat can be transferred by? - ANSWERConduction, convection, radiation
A Tru indicator on hot water boilers would inform the boiler operator of: - ANSWER1.
Temperature of the water
2. Pressure of the water in PSIG
3. Altitude of the water in feet
Which type of boiler has gases of combustion inside the tubes and water
surrounding the tubes? - ANSWERFire tube
What is the destructive force in a steam or hot water boiler explosion? -
ANSWERThe instant release of energy stored in the water as heat
No boiler shall be left unattended for more than: - ANSWER2 consecutive days/48
hours
An ASME approved safety relief valve used on a hot water boiler is tested at the
factory on: - ANSWERHot water only
The dial of a steam gauge must be graduated to what percentage of the safety
valve? - ANSWER1 1/2 (1.5) to 2 times
Tri cocks or gauge cocks are used on a steam boiler to - ANSWERIndicate the true
water level inside the boiler
New boilers and those that have had extensive repairs in Minnesota require what
type of test witnessed by a State Boiler Inspector? - ANSWERHydrostatic test
