SPECIAL BOILER LICENSE PRACTICE
EXAM MINNESOTA QUESTIONS &
ANSWERS(RATED A+)
How many way can heat be transferred? - ANSWERThree (Conduction --
Convection -- Radiation)
How may types of low pressure are there? - ANSWERThree
Boiler and boiler fitting used in the state of Minnesota must be constructed to what
code? - ANSWERA.S.M.E
What controls the starting ans stopping of the burner by sending the temperature of
the water in a hot water boiler? - ANSWERAqua Stat
When a hydrostatic test of a boiler exceeds the maximum allowed working pressure
each safety valve, if left attached to the boiler, should: - ANSWERHave its valve disc
held to its seat by means of testing clamp or "gag"
Furnace explosions are caused by a buildup of combustible gases, or vapors in the
combustion chamber, what is the term used to remedy this condition? -
ANSWERPurging
Why is a pigtail or siphon required in steam pressure gauge lines? - ANSWERto
protect the gauge from a high temperature.
In a stem boiler system, what is the term used for replacing the water that has been
lost by blowing down the boiler through leaks in the system? - ANSWERA make up
water
Heat can be transferred in three ways and they are: - ANSWERConduction --
Convection - Radiation
The first sequence in the series of automatic burner control is: - ANSWERPurging
Can a low water low water condition i a hot water heating type boiler? -
ANSWERYes, for numerous reasons
Other than a safety relieve valve what other safety device should be installed on a
hot water heating boiler? - ANSWERLow water cut off
Each boiler in a battery (pipe together sharing the same common header) must
have: - ANSWERA main stem stop
what removes air from a hot water boiler system? - ANSWERAir Control
, In a stem boiler system, the unit that turns be burner on and off based on steam
pressure is the: - ANSWERPressure Control
If water in the gauge is not visible because of failure of the feed water supply, what
should be done? - ANSWERShut off the fuel to the burner and secure the boiler.
What conditions are necessary to cause a furnace explosion? -
ANSWERAccumulation of unburned fuel, oxygen and an ignition source
The LWCO should be tested: - ANSWERDaily
Gauge pressure plus 14.7 psi is called what? - ANSWERAbsolute pressure
The evaporation of 34.5 ponds of water per hour from and at a temperature of 212
degrees Fahrenheit is defined as: - ANSWEROne boiler horsepower
When a safety valve opens and closes rapidly it is referred to as -
ANSWERChattering
On steam boiler system, why are bottom blow down valves installed at the lowest
point of the waterside of boilers? - ANSWERTo remove sludge and sediment.
Boiler heating is defining as : - ANSWERWater on one side hot gases on the other
side.
In a fire tube boiler, the water - ANSWERSurrounds the tubes
When the bottom blow down valves are used on a steam boiler, what valve located
closet to the boiler shell? - ANSWERThe quick opening valve
What is the function of an automatic city water feeder on a low pressure boiler? -
ANSWERTo control water to the feed water tank
The purpose of a safety valve on a steam boiler is to: - ANSWERTo prevent the
boiler from exceeding its MAWP
The control designed as a safety back up, should the operating fail is: - ANSWERA
high limit control
The capacity of a safety valve used on a steam boiler is measure in: -
ANSWERpounds of steam that can be discharge in one hour.
After new boiler is installed, but before it is put into operation, this test must be
performed and witnessed by State Boiler Inspector? - ANSWERHydro static Test
Tri- Cocks or gauge are sued on steam boiler yo indicate? - ANSWERThe true water
level inside the boiler.
EXAM MINNESOTA QUESTIONS &
ANSWERS(RATED A+)
How many way can heat be transferred? - ANSWERThree (Conduction --
Convection -- Radiation)
How may types of low pressure are there? - ANSWERThree
Boiler and boiler fitting used in the state of Minnesota must be constructed to what
code? - ANSWERA.S.M.E
What controls the starting ans stopping of the burner by sending the temperature of
the water in a hot water boiler? - ANSWERAqua Stat
When a hydrostatic test of a boiler exceeds the maximum allowed working pressure
each safety valve, if left attached to the boiler, should: - ANSWERHave its valve disc
held to its seat by means of testing clamp or "gag"
Furnace explosions are caused by a buildup of combustible gases, or vapors in the
combustion chamber, what is the term used to remedy this condition? -
ANSWERPurging
Why is a pigtail or siphon required in steam pressure gauge lines? - ANSWERto
protect the gauge from a high temperature.
In a stem boiler system, what is the term used for replacing the water that has been
lost by blowing down the boiler through leaks in the system? - ANSWERA make up
water
Heat can be transferred in three ways and they are: - ANSWERConduction --
Convection - Radiation
The first sequence in the series of automatic burner control is: - ANSWERPurging
Can a low water low water condition i a hot water heating type boiler? -
ANSWERYes, for numerous reasons
Other than a safety relieve valve what other safety device should be installed on a
hot water heating boiler? - ANSWERLow water cut off
Each boiler in a battery (pipe together sharing the same common header) must
have: - ANSWERA main stem stop
what removes air from a hot water boiler system? - ANSWERAir Control
, In a stem boiler system, the unit that turns be burner on and off based on steam
pressure is the: - ANSWERPressure Control
If water in the gauge is not visible because of failure of the feed water supply, what
should be done? - ANSWERShut off the fuel to the burner and secure the boiler.
What conditions are necessary to cause a furnace explosion? -
ANSWERAccumulation of unburned fuel, oxygen and an ignition source
The LWCO should be tested: - ANSWERDaily
Gauge pressure plus 14.7 psi is called what? - ANSWERAbsolute pressure
The evaporation of 34.5 ponds of water per hour from and at a temperature of 212
degrees Fahrenheit is defined as: - ANSWEROne boiler horsepower
When a safety valve opens and closes rapidly it is referred to as -
ANSWERChattering
On steam boiler system, why are bottom blow down valves installed at the lowest
point of the waterside of boilers? - ANSWERTo remove sludge and sediment.
Boiler heating is defining as : - ANSWERWater on one side hot gases on the other
side.
In a fire tube boiler, the water - ANSWERSurrounds the tubes
When the bottom blow down valves are used on a steam boiler, what valve located
closet to the boiler shell? - ANSWERThe quick opening valve
What is the function of an automatic city water feeder on a low pressure boiler? -
ANSWERTo control water to the feed water tank
The purpose of a safety valve on a steam boiler is to: - ANSWERTo prevent the
boiler from exceeding its MAWP
The control designed as a safety back up, should the operating fail is: - ANSWERA
high limit control
The capacity of a safety valve used on a steam boiler is measure in: -
ANSWERpounds of steam that can be discharge in one hour.
After new boiler is installed, but before it is put into operation, this test must be
performed and witnessed by State Boiler Inspector? - ANSWERHydro static Test
Tri- Cocks or gauge are sued on steam boiler yo indicate? - ANSWERThe true water
level inside the boiler.
