MN BOILER LICENSE TEST BANK
QUESTIONS WITH 100% CORRECT
ANSWERS
What should be displayed in the boiler room?
a) vacation schedule
b) engineer's license, and exemption or inspection certificates
c) the manufacturers book of operation on the boiler - Answer-b) engineer's license, and
exemption or inspection certificates
The division of boiler inspection May suspend or revoke the license of any Master pilot
or engineer found under the influence of drugs or alcohol when on duty
a) true
b) false
c) only if it's done three or more times - Answer-a) true
Boilers found to be operated by unlicensed or improperly licensed persons shall not be
used until the operators are properly licensed
a) true
b) false
c) dependent upon the condition of the boilers - Answer-a) true
How often must you renew your high or low-pressure boiler engineer's license?
a) once a year
b) once every two years
c) only once in a lifetime
d) - Answer-b) once every two years
A company is monitoring boilers by remote electronic surveillance. Do they need a
licensed engineer for monitoring?
a) only on high-pressure boilers
b) yes
c) no, see section 13, 183. 501 - Answer-c) no, see section 13, 183. 501
What equipment would you be allowed operating responsibility for with a first class
engineer's license Grade B?
a) low-pressure boilers and their appurtenances
b) low and high-pressure boilers
,c total boiler horsepower not to exceed 50 horsepower liquid or vapor boilers and their
appurtenances. - Answer-c total boiler horsepower not to exceed 50 horsepower liquid
or vapor boilers and their appurtenances.
A second-class engineer make a complete charge of a boiler plant not to exceed:
a) 10 horsepower
b) 100 horsepower
c) 500 horsepower
d) unlimited horsepower - Answer-b) 100 horsepower
When determining which engineers license is needed, the total horsepower connected
to the common header is used.
a) true
b) false - Answer-a) true
In a boiler plant where there are two 250 horsepower boilers (using heating surface)
connected to the same common header, what engineers license would be required to
be in charge of the plant?
a) chief engineer
b) first class engineer
c) second class engineer
d) special engineers license - Answer-b) first class engineer
In a boiler plant where there are two 250 horsepower boilers (using heating surface)
connected to the same common header, what shift engineers license would be required
for this plant?
a) chief engineer
b) first class engineer
c) second class engineer
d) special engineers license - Answer-c) second class engineer
A special engineers license is for high or low pressure boilers not to exceed 50 boi ler
horsepower.
a) true
b) false - Answer-a) true
To whom would you report a boiler condition you thought not safe?
a) sheriff
b) boiler inspector
c) would not report it - Answer-b) boiler inspector
What grade license must the shift operator have where a chief engineer has charge of a
plant of 500 boiler horsepower?
a) chief engineer
b) first class engineer
c) second class engineer
,d) special engineers license - Answer-c) second class engineer
An engineer with one year of actual boiler experience verified by an affidavit would be
allowed to take the exam for:
a) first class engineer
b) second class engineer
c) chief engineer
d) special engineers license - Answer-b) second class engineer
an engineer having an engineers license, with three years actual boiler operating
experience, verified by one of more affidavits would be allowed to take an exam for:
a) first class engineer
b) second class engineer
c) chief engineer
d) special engineers license - Answer-a) first class engineer
What is meant by a high-pressure boiler?
a) anything over 15 PSI
b) steam in excess of 15 psi or water or other liquid in excess of 212 degrees
Fahrenheit
c) a boiler operating at a
steam or other vapor pressure in excess of 15 psig, or a water or other liquid boiler, in
which the pressure exceeds 160 psig or the temperature exceeds 250
degrees Fahrenheit - Answer-c) a boiler operating at a
steam or other vapor pressure in excess of 15 psig, or a water or other liquid
boiler, in which the pressure exceeds 160 psig or the temperature exceeds 250 degrees
Fahrenheit
a special engineer's license would allow you to operate what?
a) a low-pressure boiler not to exceed 50 horsepower
b) high and low-pressure boilers and their appurtenances of not more than 50
horsepower
c) a 50-horsepower boiler - Answer-b) high and low-pressure boilers and their
appurtenances of not more than 50 horsepower
a shift engineer in a high pressure, high temperature, hot water plant of 500 bhp must
have a(n)
a) 1st class grade A or B license
b) 2nd class grade A or B license
c) chief grade A or B license - Answer-b) 2nd class grade A or B license
what are the conditions necessary for good combustion?
a) low sulfur content
b) Thermal, thermocoupler, tubular
c) turbulence, temperature, time 3T's - Answer-c) turbulence, temperature, time 3T's
, why is secondary air necessary in hand fired boilers?
a) Necessary to burn the combustible gases
b) if primary air should fail
c) used only if sulfur content is high - Answer-a) Necessary to burn the combustible
gases
when pressure increases on steam from a given amount of water what happens to its
volume and latent heat?
a) increases
b) decreases
c) remains the same - Answer-b) decreases
when pressure increases on steam from a given amount of water what happens to its
temperature?
a) increases
b) decreases
c) remains the same - Answer-a) increases
when carbon monoxide (co) is formed and carbon dioxide (co2) is very high what does it
generally signify?
a) More "under the fire air" is needed
b) less "under the fire air" is required
c) more "over the fire" air is needed
d) less "over the fire" is needed less - Answer-c) more "over the fire" air is needed
excess air is an expression that refers to:
a) overabundance of air
b) theoretical amount of air
c) air supplied above that theoretically required - Answer-c) air supplied above that
theoretically required
a good percentage of carbon dioxide when burning oil is:
a) 12%
b) 8 %
c) 10% - Answer-a) 12%
what is draft on a boiler in operation?
a) Flow of gases through boiler
b) difference in pressure between atmosphere and furnace or firebox
c) difference between atmospheric pressure and breeching - Answer-b) difference in
pressure between atmosphere and furnace or firebox
which has greater heating value per pound?
a) oil
b) coal - Answer-a) oil (18000 - 19500 BTU)
QUESTIONS WITH 100% CORRECT
ANSWERS
What should be displayed in the boiler room?
a) vacation schedule
b) engineer's license, and exemption or inspection certificates
c) the manufacturers book of operation on the boiler - Answer-b) engineer's license, and
exemption or inspection certificates
The division of boiler inspection May suspend or revoke the license of any Master pilot
or engineer found under the influence of drugs or alcohol when on duty
a) true
b) false
c) only if it's done three or more times - Answer-a) true
Boilers found to be operated by unlicensed or improperly licensed persons shall not be
used until the operators are properly licensed
a) true
b) false
c) dependent upon the condition of the boilers - Answer-a) true
How often must you renew your high or low-pressure boiler engineer's license?
a) once a year
b) once every two years
c) only once in a lifetime
d) - Answer-b) once every two years
A company is monitoring boilers by remote electronic surveillance. Do they need a
licensed engineer for monitoring?
a) only on high-pressure boilers
b) yes
c) no, see section 13, 183. 501 - Answer-c) no, see section 13, 183. 501
What equipment would you be allowed operating responsibility for with a first class
engineer's license Grade B?
a) low-pressure boilers and their appurtenances
b) low and high-pressure boilers
,c total boiler horsepower not to exceed 50 horsepower liquid or vapor boilers and their
appurtenances. - Answer-c total boiler horsepower not to exceed 50 horsepower liquid
or vapor boilers and their appurtenances.
A second-class engineer make a complete charge of a boiler plant not to exceed:
a) 10 horsepower
b) 100 horsepower
c) 500 horsepower
d) unlimited horsepower - Answer-b) 100 horsepower
When determining which engineers license is needed, the total horsepower connected
to the common header is used.
a) true
b) false - Answer-a) true
In a boiler plant where there are two 250 horsepower boilers (using heating surface)
connected to the same common header, what engineers license would be required to
be in charge of the plant?
a) chief engineer
b) first class engineer
c) second class engineer
d) special engineers license - Answer-b) first class engineer
In a boiler plant where there are two 250 horsepower boilers (using heating surface)
connected to the same common header, what shift engineers license would be required
for this plant?
a) chief engineer
b) first class engineer
c) second class engineer
d) special engineers license - Answer-c) second class engineer
A special engineers license is for high or low pressure boilers not to exceed 50 boi ler
horsepower.
a) true
b) false - Answer-a) true
To whom would you report a boiler condition you thought not safe?
a) sheriff
b) boiler inspector
c) would not report it - Answer-b) boiler inspector
What grade license must the shift operator have where a chief engineer has charge of a
plant of 500 boiler horsepower?
a) chief engineer
b) first class engineer
c) second class engineer
,d) special engineers license - Answer-c) second class engineer
An engineer with one year of actual boiler experience verified by an affidavit would be
allowed to take the exam for:
a) first class engineer
b) second class engineer
c) chief engineer
d) special engineers license - Answer-b) second class engineer
an engineer having an engineers license, with three years actual boiler operating
experience, verified by one of more affidavits would be allowed to take an exam for:
a) first class engineer
b) second class engineer
c) chief engineer
d) special engineers license - Answer-a) first class engineer
What is meant by a high-pressure boiler?
a) anything over 15 PSI
b) steam in excess of 15 psi or water or other liquid in excess of 212 degrees
Fahrenheit
c) a boiler operating at a
steam or other vapor pressure in excess of 15 psig, or a water or other liquid boiler, in
which the pressure exceeds 160 psig or the temperature exceeds 250
degrees Fahrenheit - Answer-c) a boiler operating at a
steam or other vapor pressure in excess of 15 psig, or a water or other liquid
boiler, in which the pressure exceeds 160 psig or the temperature exceeds 250 degrees
Fahrenheit
a special engineer's license would allow you to operate what?
a) a low-pressure boiler not to exceed 50 horsepower
b) high and low-pressure boilers and their appurtenances of not more than 50
horsepower
c) a 50-horsepower boiler - Answer-b) high and low-pressure boilers and their
appurtenances of not more than 50 horsepower
a shift engineer in a high pressure, high temperature, hot water plant of 500 bhp must
have a(n)
a) 1st class grade A or B license
b) 2nd class grade A or B license
c) chief grade A or B license - Answer-b) 2nd class grade A or B license
what are the conditions necessary for good combustion?
a) low sulfur content
b) Thermal, thermocoupler, tubular
c) turbulence, temperature, time 3T's - Answer-c) turbulence, temperature, time 3T's
, why is secondary air necessary in hand fired boilers?
a) Necessary to burn the combustible gases
b) if primary air should fail
c) used only if sulfur content is high - Answer-a) Necessary to burn the combustible
gases
when pressure increases on steam from a given amount of water what happens to its
volume and latent heat?
a) increases
b) decreases
c) remains the same - Answer-b) decreases
when pressure increases on steam from a given amount of water what happens to its
temperature?
a) increases
b) decreases
c) remains the same - Answer-a) increases
when carbon monoxide (co) is formed and carbon dioxide (co2) is very high what does it
generally signify?
a) More "under the fire air" is needed
b) less "under the fire air" is required
c) more "over the fire" air is needed
d) less "over the fire" is needed less - Answer-c) more "over the fire" air is needed
excess air is an expression that refers to:
a) overabundance of air
b) theoretical amount of air
c) air supplied above that theoretically required - Answer-c) air supplied above that
theoretically required
a good percentage of carbon dioxide when burning oil is:
a) 12%
b) 8 %
c) 10% - Answer-a) 12%
what is draft on a boiler in operation?
a) Flow of gases through boiler
b) difference in pressure between atmosphere and furnace or firebox
c) difference between atmospheric pressure and breeching - Answer-b) difference in
pressure between atmosphere and furnace or firebox
which has greater heating value per pound?
a) oil
b) coal - Answer-a) oil (18000 - 19500 BTU)
