Special Boiler License Practice Exam Minnesota
Newest 2026 Questions and Correct Detailed
Answers Already Graded A+
How can you tell if the sight / gauge glass isn't working properly? - CORRECT
ANSWER-Water move up and down slowly
What is the best way to test the low water fuel cut off? - CORRECT ANSWER-
An evaporating test-if the water goes out the glasses before the burner shuts
down secure the fire immediately.
After new boiler is installed, but before it is put into operation, this test must be
performed and witnessed by State Boiler Inspector? - CORRECT ANSWER-
Hydro static Test
Tri- Cocks or gauge are sued on steam boiler yo indicate? - CORRECT ANSWER-
The true water level inside the boiler.
On steam or hot boiler, the safety valve or safety relieve valve could be tested by?
- CORRECT ANSWER-By lifting the lever on the valve or raising the pressure
until they operate.
, Before starting a steam or hot boiler, you should be check for? - CORRECT
ANSWER-Water in the boiler.
The dial on a pressure gauge used on a low pressure boiler should be graduated
to: - CORRECT ANSWER-One and One half to Two times the maximum
allowable working pressure.
The three basic types of low pressure boiler are: - CORRECT ANSWER-A fire
tube, water tube and cast iron sectional.
The term used for the evaporative capacity output of a steam boiler is expressed
in: - CORRECT ANSWER-Pounds per hour
What boiler license is required to be in charge of a boiler plant having 2 boiler
each having 2500 sq. ft., of heating surface? - CORRECT ANSWER-1st Class
when testing the LWCO on steam boiler, the burner should be firing why? -
CORRECT ANSWER-To see if the burner shuts off
How often should safety valves be tested on a low pressure boiler? - CORRECT
ANSWER-Quarterly (90 days)
Newest 2026 Questions and Correct Detailed
Answers Already Graded A+
How can you tell if the sight / gauge glass isn't working properly? - CORRECT
ANSWER-Water move up and down slowly
What is the best way to test the low water fuel cut off? - CORRECT ANSWER-
An evaporating test-if the water goes out the glasses before the burner shuts
down secure the fire immediately.
After new boiler is installed, but before it is put into operation, this test must be
performed and witnessed by State Boiler Inspector? - CORRECT ANSWER-
Hydro static Test
Tri- Cocks or gauge are sued on steam boiler yo indicate? - CORRECT ANSWER-
The true water level inside the boiler.
On steam or hot boiler, the safety valve or safety relieve valve could be tested by?
- CORRECT ANSWER-By lifting the lever on the valve or raising the pressure
until they operate.
, Before starting a steam or hot boiler, you should be check for? - CORRECT
ANSWER-Water in the boiler.
The dial on a pressure gauge used on a low pressure boiler should be graduated
to: - CORRECT ANSWER-One and One half to Two times the maximum
allowable working pressure.
The three basic types of low pressure boiler are: - CORRECT ANSWER-A fire
tube, water tube and cast iron sectional.
The term used for the evaporative capacity output of a steam boiler is expressed
in: - CORRECT ANSWER-Pounds per hour
What boiler license is required to be in charge of a boiler plant having 2 boiler
each having 2500 sq. ft., of heating surface? - CORRECT ANSWER-1st Class
when testing the LWCO on steam boiler, the burner should be firing why? -
CORRECT ANSWER-To see if the burner shuts off
How often should safety valves be tested on a low pressure boiler? - CORRECT
ANSWER-Quarterly (90 days)
