Special Boiler License Practice Exam Minnesota with Answers
How many way can heat be transferred? - the same common header) must have: - -A
-Three (Conduction -- Convection -- main stem stop
Radiation)
what removes air from a hot water boiler system?
How may types of low pressure are there? - - -Air Control
-Three
In a stem boiler system, the unit that turns be
Boiler and boiler fitting used in the state of burner on and off based on steam pressure is
Minnesota must be constructed to what code? - the: - -Pressure Control
-A.S.M.E
If water in the gauge is not visible because of
What controls the starting ans stopping of the failure of the feed water supply, what should be
burner by sending the temperature of the water done? - -Shut off the fuel to the burner and
in a hot water boiler? - -Aqua Stat secure the boiler.
When a hydrostatic test of a boiler exceeds the What conditions are necessary to cause a
maximum allowed working pressure each safety furnace explosion? - -Accumulation of
valve, if left attached to the boiler, should: - unburned fuel, oxygen and an ignition source
-Have its valve disc held to its seat by
means of testing clamp or "gag"
The LWCO should be tested: - -Daily
Heat can be transferred in three ways and they
are: - -Conduction --Convection - Radiation Gauge pressure plus 14.7 psi is called what? -
-Absolute pressure
The first sequence in the series of automatic
burner control is: - -Purging The evaporation of 34.5 ponds of water per hour
from and at a temperature of 212 degrees
Fahrenheit is defined as: - -One boiler
Can a low water low water condition i a hot water horsepower
heating type boiler? - -Yes, for numerous
reasons
When a safety valve opens and closes rapidly it
is referred to as - -Chattering
Other than a safety relieve valve what other
safety device should be installed on a hot water
heating boiler? - -Low water cut off Furnace explosions are caused by a buildup of
combustible gases, or vapors in the combustion
chamber, what is the term used to remedy this
Each boiler in a battery (pipe together sharing condition? - -Purging
1/5
, Special Boiler License Practice Exam Minnesota with Answers
The capacity of a safety valve used on a steam
Why is a pigtail or siphon required in steam boiler is measure in: - -pounds of steam
pressure gauge lines? - -to protect the that can be discharge in one hour.
gauge from a high temperature.
How does a pressuretrol attach to the steam
In a stem boiler system, what is the term used for space of boiler control the burner operation? -
replacing the water that has been lost by blowing -On pressure decrease - starts the burner.
down the boiler through leaks in the system? -
-A make up water
What action should an operating engineer take if
a defect is discovered in a boiler requiring repairs
On steam boiler system, why are bottom blow not of a routine nature? - -Notify the boiler
down valves installed at the lowest point of the inspector.
waterside of boilers? - -To remove sludge
and sediment.
Boiler are considered low pressure when? -
-Steam Boiler are not over 15 psi and liquid
Boiler heating is defining as : - -Water on boiler are not over psi 160 and 250 deg. F
one side hot gases on the other side.
What boiler license required is required for
In a fire tube boiler, the water - -Surrounds operating a boiler as a shift engineer in a plant
the tubes having 3 boiler each 1660 sq. ft. of heating
surface? - -Second
When the bottom blow down valves are used on
a steam boiler, what valve located closet to the The maximum temperature to be carried on a low
boiler shell? - -The quick opening valve pressure hot water boiler is: - -Less than
250 f
What is the function of an automatic city water
feeder on a low pressure boiler? - -To The popping pressure of a safety relief valve on a
control water to the feed water tank low pressure hot water heating boiler cannot
exceed: - -160 psi
The purpose of a safety valve on a steam boiler
is to: - -To prevent the boiler from The bottom blow down line on a steam boiler
exceeding its MAWP system is located at the: - -Lowest Point on
the waterside of a steam boiler.
The control designed as a safety back up, should
the operating fail is: - -A high limit control For the purpose of rating boiler horsepower for
engineer license classifications only. How many
2/5
How many way can heat be transferred? - the same common header) must have: - -A
-Three (Conduction -- Convection -- main stem stop
Radiation)
what removes air from a hot water boiler system?
How may types of low pressure are there? - - -Air Control
-Three
In a stem boiler system, the unit that turns be
Boiler and boiler fitting used in the state of burner on and off based on steam pressure is
Minnesota must be constructed to what code? - the: - -Pressure Control
-A.S.M.E
If water in the gauge is not visible because of
What controls the starting ans stopping of the failure of the feed water supply, what should be
burner by sending the temperature of the water done? - -Shut off the fuel to the burner and
in a hot water boiler? - -Aqua Stat secure the boiler.
When a hydrostatic test of a boiler exceeds the What conditions are necessary to cause a
maximum allowed working pressure each safety furnace explosion? - -Accumulation of
valve, if left attached to the boiler, should: - unburned fuel, oxygen and an ignition source
-Have its valve disc held to its seat by
means of testing clamp or "gag"
The LWCO should be tested: - -Daily
Heat can be transferred in three ways and they
are: - -Conduction --Convection - Radiation Gauge pressure plus 14.7 psi is called what? -
-Absolute pressure
The first sequence in the series of automatic
burner control is: - -Purging The evaporation of 34.5 ponds of water per hour
from and at a temperature of 212 degrees
Fahrenheit is defined as: - -One boiler
Can a low water low water condition i a hot water horsepower
heating type boiler? - -Yes, for numerous
reasons
When a safety valve opens and closes rapidly it
is referred to as - -Chattering
Other than a safety relieve valve what other
safety device should be installed on a hot water
heating boiler? - -Low water cut off Furnace explosions are caused by a buildup of
combustible gases, or vapors in the combustion
chamber, what is the term used to remedy this
Each boiler in a battery (pipe together sharing condition? - -Purging
1/5
, Special Boiler License Practice Exam Minnesota with Answers
The capacity of a safety valve used on a steam
Why is a pigtail or siphon required in steam boiler is measure in: - -pounds of steam
pressure gauge lines? - -to protect the that can be discharge in one hour.
gauge from a high temperature.
How does a pressuretrol attach to the steam
In a stem boiler system, what is the term used for space of boiler control the burner operation? -
replacing the water that has been lost by blowing -On pressure decrease - starts the burner.
down the boiler through leaks in the system? -
-A make up water
What action should an operating engineer take if
a defect is discovered in a boiler requiring repairs
On steam boiler system, why are bottom blow not of a routine nature? - -Notify the boiler
down valves installed at the lowest point of the inspector.
waterside of boilers? - -To remove sludge
and sediment.
Boiler are considered low pressure when? -
-Steam Boiler are not over 15 psi and liquid
Boiler heating is defining as : - -Water on boiler are not over psi 160 and 250 deg. F
one side hot gases on the other side.
What boiler license required is required for
In a fire tube boiler, the water - -Surrounds operating a boiler as a shift engineer in a plant
the tubes having 3 boiler each 1660 sq. ft. of heating
surface? - -Second
When the bottom blow down valves are used on
a steam boiler, what valve located closet to the The maximum temperature to be carried on a low
boiler shell? - -The quick opening valve pressure hot water boiler is: - -Less than
250 f
What is the function of an automatic city water
feeder on a low pressure boiler? - -To The popping pressure of a safety relief valve on a
control water to the feed water tank low pressure hot water heating boiler cannot
exceed: - -160 psi
The purpose of a safety valve on a steam boiler
is to: - -To prevent the boiler from The bottom blow down line on a steam boiler
exceeding its MAWP system is located at the: - -Lowest Point on
the waterside of a steam boiler.
The control designed as a safety back up, should
the operating fail is: - -A high limit control For the purpose of rating boiler horsepower for
engineer license classifications only. How many
2/5
