Boiler License Test Questions with
100% Correct Answers
Who can adjust a safety valve? - Answer-Manufacturer representative
When connecting a Bourdon tube steam gauge to a boiler, a pigtail is used to: - Answer-
Protect Bourdon tube from steam
What happens when you have a closed oil vent? - Answer-An oil spill
What is the minimum temperature of hot water boiler operation to prevent
condensation? - Answer-170
The amount of draft is not affected by the height of the stack: True or False - Answer-
False
How many days in advance can you renew your license - Answer-60
What is the maximum fine for any infraction? - Answer-$5000.00
What happens if a steam trap continuously blows through? - Answer-Steam vents from
the condensate tank
What is the purpose of an expansion tank? - Answer-allows for expansion of water
What type of boiler is a HRT boiler? - Answer-Fire tube
If a baffle breaks, what happens? - Answer-Increase of furnace gases and stack
temperature
When would a high suction line be used in a fuel tank? - Answer-when there is sludge
or water in the tank
What is the first thing you check when entering a boiler room? - Answer-The water level
How often do you check the low water cut- off? - Answer-daily?
What letter stamp represents a low- pressure boiler? - Answer-H
, What is the minimum fine for not pr0perly posting a license? - Answer-$500.00
The on-off controls of a steam boiler are installed: - Answer-In a vertical position
Where is the jurisdiction (registration) # on a boiler? - Answer-on the front of the boiler
How many pounds of steam per house in one boiler horsepower? - Answer-34.5 pounds
per hour
What is the maximum horsepower a low pressure licensed operator can operate up to: -
Answer-no limit
Natural draft is produced by? - Answer-difference in temperature outside chimney from
inside chimney
If a draft fan is located between the boiler and chimney, what type of draft system is it? -
Answer-Induced draft
boiler fittings are important for: - Answer-safety only
thermostatic traps remove air and cool condensate: true or false - Answer-True
The main purpose of testing a safety value is to: - Answer-make sure valve operates
freely
when testing a safety valve by hand, you must: - Answer-have at least 75% of popping
pressure
If a license is expired, how long can it be expired before it is null and void? - Answer-3
years
What is the purpose of a check valve? - Answer-prevent reverse flow, allows flow in one
direction
What is a solenoid valve? - Answer-An automatic gas shutoff valve
What # oil needs to be preheated with what piece of equipment? - Answer-#6 oil with a
heater
What type of test is a hardness test? - Answer-A titration test
What is the most important rule in operating boilers? - Answer-keep water at proper
level
what is the capacity of a safety valve measured in? - Answer-Pounds of steam per
house (#steam/hr)
100% Correct Answers
Who can adjust a safety valve? - Answer-Manufacturer representative
When connecting a Bourdon tube steam gauge to a boiler, a pigtail is used to: - Answer-
Protect Bourdon tube from steam
What happens when you have a closed oil vent? - Answer-An oil spill
What is the minimum temperature of hot water boiler operation to prevent
condensation? - Answer-170
The amount of draft is not affected by the height of the stack: True or False - Answer-
False
How many days in advance can you renew your license - Answer-60
What is the maximum fine for any infraction? - Answer-$5000.00
What happens if a steam trap continuously blows through? - Answer-Steam vents from
the condensate tank
What is the purpose of an expansion tank? - Answer-allows for expansion of water
What type of boiler is a HRT boiler? - Answer-Fire tube
If a baffle breaks, what happens? - Answer-Increase of furnace gases and stack
temperature
When would a high suction line be used in a fuel tank? - Answer-when there is sludge
or water in the tank
What is the first thing you check when entering a boiler room? - Answer-The water level
How often do you check the low water cut- off? - Answer-daily?
What letter stamp represents a low- pressure boiler? - Answer-H
, What is the minimum fine for not pr0perly posting a license? - Answer-$500.00
The on-off controls of a steam boiler are installed: - Answer-In a vertical position
Where is the jurisdiction (registration) # on a boiler? - Answer-on the front of the boiler
How many pounds of steam per house in one boiler horsepower? - Answer-34.5 pounds
per hour
What is the maximum horsepower a low pressure licensed operator can operate up to: -
Answer-no limit
Natural draft is produced by? - Answer-difference in temperature outside chimney from
inside chimney
If a draft fan is located between the boiler and chimney, what type of draft system is it? -
Answer-Induced draft
boiler fittings are important for: - Answer-safety only
thermostatic traps remove air and cool condensate: true or false - Answer-True
The main purpose of testing a safety value is to: - Answer-make sure valve operates
freely
when testing a safety valve by hand, you must: - Answer-have at least 75% of popping
pressure
If a license is expired, how long can it be expired before it is null and void? - Answer-3
years
What is the purpose of a check valve? - Answer-prevent reverse flow, allows flow in one
direction
What is a solenoid valve? - Answer-An automatic gas shutoff valve
What # oil needs to be preheated with what piece of equipment? - Answer-#6 oil with a
heater
What type of test is a hardness test? - Answer-A titration test
What is the most important rule in operating boilers? - Answer-keep water at proper
level
what is the capacity of a safety valve measured in? - Answer-Pounds of steam per
house (#steam/hr)
