SPECIAL BOILER LICENSE PRACTICE EXAM
EXAM STUDY GUIDE 2026 QUESTIONS WITH
ANSWERS GRADED A+
◉ 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
EXAM STUDY GUIDE 2026 QUESTIONS WITH
ANSWERS GRADED A+
◉ 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
