Special Boiler License Practice Exam
Minnesota Q&A 100% Solved
How many way can heat be transferred? - ✔✔Three (Conduction -- Convection -
- Radiation)
How may types of low pressure are there? - ✔✔Three
Boiler and boiler fitting used in the state of Minnesota must be constructed to
what code? - ✔✔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? - ✔✔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: - ✔✔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: - ✔✔Conduction --
Convection - Radiation
The first sequence in the series of automatic burner control is: - ✔✔Purging
Can a low water low water condition i a hot water heating type boiler? - ✔✔Yes,
for numerous reasons
1|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
, Other than a safety relieve valve what other safety device should be installed on
a hot water heating boiler? - ✔✔Low water cut off
Each boiler in a battery (pipe together sharing the same common header) must
have: - ✔✔A main stem stop
what removes air from a hot water boiler system? - ✔✔Air Control
In a stem boiler system, the unit that turns be burner on and off based on steam
pressure is the: - ✔✔Pressure Control
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.
What conditions are necessary to cause a furnace explosion? - ✔✔Accumulation
of unburned fuel, oxygen and an ignition source
The LWCO should be tested: - ✔✔Daily
Gauge pressure plus 14.7 psi is called what? - ✔✔Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a temperature of
212 degrees Fahrenheit is defined as: - ✔✔One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as - ✔✔Chattering
2|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
Minnesota Q&A 100% Solved
How many way can heat be transferred? - ✔✔Three (Conduction -- Convection -
- Radiation)
How may types of low pressure are there? - ✔✔Three
Boiler and boiler fitting used in the state of Minnesota must be constructed to
what code? - ✔✔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? - ✔✔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: - ✔✔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: - ✔✔Conduction --
Convection - Radiation
The first sequence in the series of automatic burner control is: - ✔✔Purging
Can a low water low water condition i a hot water heating type boiler? - ✔✔Yes,
for numerous reasons
1|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
, Other than a safety relieve valve what other safety device should be installed on
a hot water heating boiler? - ✔✔Low water cut off
Each boiler in a battery (pipe together sharing the same common header) must
have: - ✔✔A main stem stop
what removes air from a hot water boiler system? - ✔✔Air Control
In a stem boiler system, the unit that turns be burner on and off based on steam
pressure is the: - ✔✔Pressure Control
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.
What conditions are necessary to cause a furnace explosion? - ✔✔Accumulation
of unburned fuel, oxygen and an ignition source
The LWCO should be tested: - ✔✔Daily
Gauge pressure plus 14.7 psi is called what? - ✔✔Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a temperature of
212 degrees Fahrenheit is defined as: - ✔✔One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as - ✔✔Chattering
2|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
