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"
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
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
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.
How can you tell if the sight / gauge glass isn't working properly? - ANSWERWater
move up and down slowly
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"
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
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
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.
How can you tell if the sight / gauge glass isn't working properly? - ANSWERWater
move up and down slowly
