NJ Black Seal Low Pressure, 1 of 3 Exam 2026|2027 Advanced
Practice Questions with Complete A+ Solutions| 100% Correct!!!
A steam pressure gauge is designed to show steam calibrated in: - Correct Answer -pounds per square
inch
The primary function of the MBCS (micro burner combustion system) is: - Correct Answer -combustion
safety
What is the purpose of an aquastat? - Correct Answer -controls water temperature
What is the name of the device used to keep live steam from getting into a pressure gauge? - Correct
Answer -siphon loop
What is the minimum temperature at which a hot water heating boiler should be operated at to prevent
flue gas condensation? - Correct Answer -170 degrees
What is the name of the science that is used for heating while using water as a conveying medium? -
Correct Answer -hydronics
1|Page
, The high limit setting on a low pressure steam boiler must not exceed? - Correct Answer -15 psig
A safety valve on a low pressure hot water boiler will have a maximum setting of: - Correct Answer -160
psig
What causes scale? - Correct Answer -calcium and magnesium
Where should the registration number be located on each boiler in New Jersey? - Correct Answer -front
On a low pressure boiler, after start-up, when do you close the vent valve? - Correct Answer -when
steam comes out
How are cast iron sectional boilers put together? - Correct Answer -with push nipples and bolts
What is the line voltage used in an ignition transformer? - Correct Answer -usually 120 VAC
2|Page
Practice Questions with Complete A+ Solutions| 100% Correct!!!
A steam pressure gauge is designed to show steam calibrated in: - Correct Answer -pounds per square
inch
The primary function of the MBCS (micro burner combustion system) is: - Correct Answer -combustion
safety
What is the purpose of an aquastat? - Correct Answer -controls water temperature
What is the name of the device used to keep live steam from getting into a pressure gauge? - Correct
Answer -siphon loop
What is the minimum temperature at which a hot water heating boiler should be operated at to prevent
flue gas condensation? - Correct Answer -170 degrees
What is the name of the science that is used for heating while using water as a conveying medium? -
Correct Answer -hydronics
1|Page
, The high limit setting on a low pressure steam boiler must not exceed? - Correct Answer -15 psig
A safety valve on a low pressure hot water boiler will have a maximum setting of: - Correct Answer -160
psig
What causes scale? - Correct Answer -calcium and magnesium
Where should the registration number be located on each boiler in New Jersey? - Correct Answer -front
On a low pressure boiler, after start-up, when do you close the vent valve? - Correct Answer -when
steam comes out
How are cast iron sectional boilers put together? - Correct Answer -with push nipples and bolts
What is the line voltage used in an ignition transformer? - Correct Answer -usually 120 VAC
2|Page
