Special Boiler License Practice Exam Minnesota | 2024-2025 LATEST
UPDATED| COMPLETE QUESTIONS WITH 100% CORRECT
ANSWERS| GET IT CORRECT!!
How many way can heat be transferred? - (answers)Three (Conduction -- Convection --
Radiation)
How may types of low pressure are there? - (answers)Three
Boiler and boiler fitting used in the state of Minnesota must be constructed to what code? -
(answers)A.S.M.E
What controls the starting ans stopping of the burner by sending the temperature of the water in a
hot water boiler? - (answers)Aqua Stat
When a hydrostatic test of a boiler exceeds the maximum allowed working pressure each safety
valve, if left attached to the boiler, should: - (answers)Have its valve disc held to its seat by
means of testing clamp or "gag"
Heat can be transferred in three ways and they are: - (answers)Conduction --Convection -
Radiation
The first sequence in the series of automatic burner control is: - (answers)Purging
Can a low water low water condition i a hot water heating type boiler? - (answers)Yes, for
numerous reasons
Other than a safety relieve valve what other safety device should be installed on a hot water
heating boiler? - (answers)Low water cut off
Each boiler in a battery (pipe together sharing the same common header) must have: -
(answers)A main stem stop
, what removes air from a hot water boiler system? - (answers)Air Control
In a stem boiler system, the unit that turns be burner on and off based on steam pressure is the: -
(answers)Pressure Control
If water in the gauge is not visible because of failure of the feed water supply, what should be
done? - (answers)Shut off the fuel to the burner and secure the boiler.
What conditions are necessary to cause a furnace explosion? - (answers)Accumulation of
unburned fuel, oxygen and an ignition source
The LWCO should be tested: - (answers)Daily
Gauge pressure plus 14.7 psi is called what? - (answers)Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a temperature of 212 degrees
Fahrenheit is defined as: - (answers)One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as - (answers)Chattering
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? - (answers)Purging
Why is a pigtail or siphon required in steam pressure gauge lines? - (answers)to 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? - (answers)A make up water
On steam boiler system, why are bottom blow down valves installed at the lowest point of the
waterside of boilers? - (answers)To remove sludge and sediment.
UPDATED| COMPLETE QUESTIONS WITH 100% CORRECT
ANSWERS| GET IT CORRECT!!
How many way can heat be transferred? - (answers)Three (Conduction -- Convection --
Radiation)
How may types of low pressure are there? - (answers)Three
Boiler and boiler fitting used in the state of Minnesota must be constructed to what code? -
(answers)A.S.M.E
What controls the starting ans stopping of the burner by sending the temperature of the water in a
hot water boiler? - (answers)Aqua Stat
When a hydrostatic test of a boiler exceeds the maximum allowed working pressure each safety
valve, if left attached to the boiler, should: - (answers)Have its valve disc held to its seat by
means of testing clamp or "gag"
Heat can be transferred in three ways and they are: - (answers)Conduction --Convection -
Radiation
The first sequence in the series of automatic burner control is: - (answers)Purging
Can a low water low water condition i a hot water heating type boiler? - (answers)Yes, for
numerous reasons
Other than a safety relieve valve what other safety device should be installed on a hot water
heating boiler? - (answers)Low water cut off
Each boiler in a battery (pipe together sharing the same common header) must have: -
(answers)A main stem stop
, what removes air from a hot water boiler system? - (answers)Air Control
In a stem boiler system, the unit that turns be burner on and off based on steam pressure is the: -
(answers)Pressure Control
If water in the gauge is not visible because of failure of the feed water supply, what should be
done? - (answers)Shut off the fuel to the burner and secure the boiler.
What conditions are necessary to cause a furnace explosion? - (answers)Accumulation of
unburned fuel, oxygen and an ignition source
The LWCO should be tested: - (answers)Daily
Gauge pressure plus 14.7 psi is called what? - (answers)Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a temperature of 212 degrees
Fahrenheit is defined as: - (answers)One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as - (answers)Chattering
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? - (answers)Purging
Why is a pigtail or siphon required in steam pressure gauge lines? - (answers)to 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? - (answers)A make up water
On steam boiler system, why are bottom blow down valves installed at the lowest point of the
waterside of boilers? - (answers)To remove sludge and sediment.
