MN BOILERS LICENSE TEST PREP 2026: 200+
QUESTIONS AND 100% VERIFIED ANSWERS |
GRADED A+ | GUARANTEED PASS!!
_____ kilowatts = 1 horsepower
- answer-10 kilowatts (for licensing)
__________ BTU/hr = 1 horsepower
- answer-67,000 BTU/hr (for licensing)
= 10 sq. Ft of heating surface
- answer-1 boiler horsepower =
1 gallon of water weighs _____ pounds
- answer-8.3
A boiler feedline needs what two valves?
- answer-Stop (closest to boiler) and check
A high pressure boiler is classified as such when what - ?
- answer-Above 15 psi, above 160 psi water, and temps above 250°F
A hydronic boiler does not need what? Because it runs full...
- answer-Sight glass
A superheater must be vented/flooded at start up to prevent what?
- answer-Dry fire
All boilers have what because heat rises naturally
- answer-Natural draft
American Society of Mechanical Engineers
- answer-ASME
Amount of times the heat moves through the tubes in a fire tube boiler
- answer-Passes
,An ion exchange water heater
- answer-Zeolite
Are all boilers considered hot water boilers?
- answer-Yes
Before entering a boiler which is a confined space, what must be done?
- answer-Check atmosphere, purge and vent, lock out tag out
British Thermal Unit
- answer-BTU
Can be fire tube, water tube, or cast iron
Can add Glycol or Dow Therm to reduce corrosion
- answer-Hot water boilers (hydronic)
Can operate and take responsibility for the plant while on duty
- answer-Shift Engineer
Can operate any plant including plants with steam engines/turbines
- answer-Grade A (License Grade)
Can operate high-pressure or low-pressure steam or hot water (no steam
engines/turbines)
- answer-Grade B (License Grade)
Can operate low-pressure steam or hot water (no steam engines/turbines)
- answer-Grade C (License Grade)
Can you compress a liquid?
- answer-No
Comes completely assembled with its own feedwater pumps, fuel system & draft
fans
- answer-Package Boiler
Connects boiler to the stack
- answer-Breeching
, Directs flow of combustion gasses, water, and/or steam
- answer-Baffle
Does a hydronic boiler need a low water cutoff?
- answer-Yes
Excess air ensures what?
- answer-Complete combustion
Externally fired
Suspended by slings over furnace
- answer-HRT (horizontal return tubular)
False level caused by change in power
- answer-Shrink/Swell
Fan at the inlet
- answer-Forced draft
Fan at the outlet/breech
- answer-Induced draft
Feed line ________ acts on a boiler feed pump governor to control the pump speed
- answer-Pressure
Flame Scanners sense what?
- answer-Flame
Flames should not ________ the side walls?
- answer-Impinge (touch)
force x distance
- answer-Work
Fully open or closed
Can be rising stem or outside stem and yolk (OS and Y valve)
- answer-Gate valve
Good for throttling, water goes in low and comes out high
- answer-Globe valve
QUESTIONS AND 100% VERIFIED ANSWERS |
GRADED A+ | GUARANTEED PASS!!
_____ kilowatts = 1 horsepower
- answer-10 kilowatts (for licensing)
__________ BTU/hr = 1 horsepower
- answer-67,000 BTU/hr (for licensing)
= 10 sq. Ft of heating surface
- answer-1 boiler horsepower =
1 gallon of water weighs _____ pounds
- answer-8.3
A boiler feedline needs what two valves?
- answer-Stop (closest to boiler) and check
A high pressure boiler is classified as such when what - ?
- answer-Above 15 psi, above 160 psi water, and temps above 250°F
A hydronic boiler does not need what? Because it runs full...
- answer-Sight glass
A superheater must be vented/flooded at start up to prevent what?
- answer-Dry fire
All boilers have what because heat rises naturally
- answer-Natural draft
American Society of Mechanical Engineers
- answer-ASME
Amount of times the heat moves through the tubes in a fire tube boiler
- answer-Passes
,An ion exchange water heater
- answer-Zeolite
Are all boilers considered hot water boilers?
- answer-Yes
Before entering a boiler which is a confined space, what must be done?
- answer-Check atmosphere, purge and vent, lock out tag out
British Thermal Unit
- answer-BTU
Can be fire tube, water tube, or cast iron
Can add Glycol or Dow Therm to reduce corrosion
- answer-Hot water boilers (hydronic)
Can operate and take responsibility for the plant while on duty
- answer-Shift Engineer
Can operate any plant including plants with steam engines/turbines
- answer-Grade A (License Grade)
Can operate high-pressure or low-pressure steam or hot water (no steam
engines/turbines)
- answer-Grade B (License Grade)
Can operate low-pressure steam or hot water (no steam engines/turbines)
- answer-Grade C (License Grade)
Can you compress a liquid?
- answer-No
Comes completely assembled with its own feedwater pumps, fuel system & draft
fans
- answer-Package Boiler
Connects boiler to the stack
- answer-Breeching
, Directs flow of combustion gasses, water, and/or steam
- answer-Baffle
Does a hydronic boiler need a low water cutoff?
- answer-Yes
Excess air ensures what?
- answer-Complete combustion
Externally fired
Suspended by slings over furnace
- answer-HRT (horizontal return tubular)
False level caused by change in power
- answer-Shrink/Swell
Fan at the inlet
- answer-Forced draft
Fan at the outlet/breech
- answer-Induced draft
Feed line ________ acts on a boiler feed pump governor to control the pump speed
- answer-Pressure
Flame Scanners sense what?
- answer-Flame
Flames should not ________ the side walls?
- answer-Impinge (touch)
force x distance
- answer-Work
Fully open or closed
Can be rising stem or outside stem and yolk (OS and Y valve)
- answer-Gate valve
Good for throttling, water goes in low and comes out high
- answer-Globe valve
