Special Boiler License Practice Exam (Minnesota):
100% Verified Questions & Answers/Certified
How many way can heat be transferred? - Answer-Three (Conduction -- Convection --
Radiation)
/.How may types of low pressure are there? - Answer-Three
/.Boiler and boiler fitting used in the state of Minnesota must be constructed to what
code? - Answer-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? - Answer-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: - Answer-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: - Answer-Conduction --Convection
- Radiation
/.The first sequence in the series of automatic burner control is: - Answer-Purging
/.Can a low water low water condition i a hot water heating type boiler? - Answer-Yes,
for numerous reasons
/.Other than a safety relieve valve what other safety device should be installed on a hot
water heating boiler? - Answer-Low water cut off
/.Each boiler in a battery (pipe together sharing the same common header) must have: -
Answer-A main stem stop
/.what removes air from a hot water boiler system? - Answer-Air Control
/.In a stem boiler system, the unit that turns be burner on and off based on steam
pressure is the: - Answer-Pressure Control
/.If water in the gauge is not visible because of failure of the feed water supply, what
should be done? - Answer-Shut off the fuel to the burner and secure the boiler.
/.What conditions are necessary to cause a furnace explosion? - Answer-Accumulation
of unburned fuel, oxygen and an ignition source
, /.The LWCO should be tested: - Answer-Daily
/.Gauge pressure plus 14.7 psi is called what? - Answer-Absolute pressure
/.The evaporation of 34.5 ponds of water per hour from and at a temperature of 212
degrees Fahrenheit is defined as: - Answer-One boiler horsepower
/.When a safety valve opens and closes rapidly it is referred to as - Answer-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? - Answer-Purging
/.Why is a pigtail or siphon required in steam pressure gauge lines? - Answer-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? - Answer-A make up water
/.On steam boiler system, why are bottom blow down valves installed at the lowest point
of the waterside of boilers? - Answer-To remove sludge and sediment.
/.Boiler heating is defining as : - Answer-Water on one side hot gases on the other side.
/.In a fire tube boiler, the water - Answer-Surrounds the tubes
/.When the bottom blow down valves are used on a steam boiler, what valve located
closet to the boiler shell? - Answer-The quick opening valve
/.What is the function of an automatic city water feeder on a low pressure boiler? -
Answer-To control water to the feed water tank
/.The purpose of a safety valve on a steam boiler is to: - Answer-To prevent the boiler
from exceeding its MAWP
/.The control designed as a safety back up, should the operating fail is: - Answer-A high
limit control
/.The capacity of a safety valve used on a steam boiler is measure in: - Answer-pounds
of steam that can be discharge in one hour.
/.How does a pressuretrol attach to the steam space of boiler control the burner
operation? - Answer-On pressure decrease - starts the burner.
/.What action should an operating engineer take if a defect is discovered in a boiler
requiring repairs not of a routine nature? - Answer-Notify the boiler inspector.
100% Verified Questions & Answers/Certified
How many way can heat be transferred? - Answer-Three (Conduction -- Convection --
Radiation)
/.How may types of low pressure are there? - Answer-Three
/.Boiler and boiler fitting used in the state of Minnesota must be constructed to what
code? - Answer-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? - Answer-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: - Answer-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: - Answer-Conduction --Convection
- Radiation
/.The first sequence in the series of automatic burner control is: - Answer-Purging
/.Can a low water low water condition i a hot water heating type boiler? - Answer-Yes,
for numerous reasons
/.Other than a safety relieve valve what other safety device should be installed on a hot
water heating boiler? - Answer-Low water cut off
/.Each boiler in a battery (pipe together sharing the same common header) must have: -
Answer-A main stem stop
/.what removes air from a hot water boiler system? - Answer-Air Control
/.In a stem boiler system, the unit that turns be burner on and off based on steam
pressure is the: - Answer-Pressure Control
/.If water in the gauge is not visible because of failure of the feed water supply, what
should be done? - Answer-Shut off the fuel to the burner and secure the boiler.
/.What conditions are necessary to cause a furnace explosion? - Answer-Accumulation
of unburned fuel, oxygen and an ignition source
, /.The LWCO should be tested: - Answer-Daily
/.Gauge pressure plus 14.7 psi is called what? - Answer-Absolute pressure
/.The evaporation of 34.5 ponds of water per hour from and at a temperature of 212
degrees Fahrenheit is defined as: - Answer-One boiler horsepower
/.When a safety valve opens and closes rapidly it is referred to as - Answer-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? - Answer-Purging
/.Why is a pigtail or siphon required in steam pressure gauge lines? - Answer-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? - Answer-A make up water
/.On steam boiler system, why are bottom blow down valves installed at the lowest point
of the waterside of boilers? - Answer-To remove sludge and sediment.
/.Boiler heating is defining as : - Answer-Water on one side hot gases on the other side.
/.In a fire tube boiler, the water - Answer-Surrounds the tubes
/.When the bottom blow down valves are used on a steam boiler, what valve located
closet to the boiler shell? - Answer-The quick opening valve
/.What is the function of an automatic city water feeder on a low pressure boiler? -
Answer-To control water to the feed water tank
/.The purpose of a safety valve on a steam boiler is to: - Answer-To prevent the boiler
from exceeding its MAWP
/.The control designed as a safety back up, should the operating fail is: - Answer-A high
limit control
/.The capacity of a safety valve used on a steam boiler is measure in: - Answer-pounds
of steam that can be discharge in one hour.
/.How does a pressuretrol attach to the steam space of boiler control the burner
operation? - Answer-On pressure decrease - starts the burner.
/.What action should an operating engineer take if a defect is discovered in a boiler
requiring repairs not of a routine nature? - Answer-Notify the boiler inspector.
