Special Boiler License Practice Exam Minnesota
78 QUESTIONS WITH COMPLETE
SOLUTIONS(2024/2025)
1. How many way can heat be transferred?: Three (Conduction --
Convection -- Radiation)
2. How may types of low pressure are there?: Three
3. Boiler and boiler fitting used in the state of Minnesota must
be constructed to what code?: A.S.M.E
4. What controls the starting ans stopping of the burner by
sending the temperature of the water in a hot water
boiler?: Aqua Stat
5. When a hydrostatic test of a boiler exceeds the maximum
allowed working pressure each safety valve, if left attached to
the boiler, should:: Have its valve disc held to its seat by means of
testing clamp or "gag"
6. Heat can be transferred in three ways and they are:
1/5
, Conduction --Convection
- Radiation
7. The first sequence in the series of automatic burner control
is:: Purging
8. Can a low water low water condition i a hot water heating
type boiler?: Yes, for numerous reasons
9.Other than a safety relieve valve what other safety device
should be installed on a hot water heating boiler?: Low water cut
off
10.Each boiler in a battery (pipe together sharing the same
common header) must have:: A main stem stop
11.what removes air from a hot water boiler system?: Air Control
12.In a stem boiler system, the unit that turns be burner on and
off based on steam pressure is the:: Pressure Control
13.If water in the gauge is not visible because of failure of the
feed water supply, what should be done?: Shut off the fuel to the
burner and secure the boiler.
14.What conditions are necessary to cause a furnace
explosion?: Accumula- tion of unburned fuel, oxygen and an ignition
2/5
78 QUESTIONS WITH COMPLETE
SOLUTIONS(2024/2025)
1. How many way can heat be transferred?: Three (Conduction --
Convection -- Radiation)
2. How may types of low pressure are there?: Three
3. Boiler and boiler fitting used in the state of Minnesota must
be constructed to what code?: A.S.M.E
4. What controls the starting ans stopping of the burner by
sending the temperature of the water in a hot water
boiler?: Aqua Stat
5. When a hydrostatic test of a boiler exceeds the maximum
allowed working pressure each safety valve, if left attached to
the boiler, should:: Have its valve disc held to its seat by means of
testing clamp or "gag"
6. Heat can be transferred in three ways and they are:
1/5
, Conduction --Convection
- Radiation
7. The first sequence in the series of automatic burner control
is:: Purging
8. Can a low water low water condition i a hot water heating
type boiler?: Yes, for numerous reasons
9.Other than a safety relieve valve what other safety device
should be installed on a hot water heating boiler?: Low water cut
off
10.Each boiler in a battery (pipe together sharing the same
common header) must have:: A main stem stop
11.what removes air from a hot water boiler system?: Air Control
12.In a stem boiler system, the unit that turns be burner on and
off based on steam pressure is the:: Pressure Control
13.If water in the gauge is not visible because of failure of the
feed water supply, what should be done?: Shut off the fuel to the
burner and secure the boiler.
14.What conditions are necessary to cause a furnace
explosion?: Accumula- tion of unburned fuel, oxygen and an ignition
2/5
