NYC Stationary Engineer License Part 3 | Complete Exam Prep | Practice Questions & Answers
Heating Surface All areas in contact with heated gases (fire tube ID, Water tube OD)
Boiler pH The pH should be between 7-9 (8.5). Acid attack pH below 8.5, caustic attack above
12.9.
Blowoff Tank Outlet Size 2 times the diameter of the blowdown piping, 6 inches internal entering the bottom
of the blow off tank.
Clogged Strainers Deep vacuum.
Heat Recovery Steam Generators (HRSG) Water chemistry is harder to maintain during start ups and shut down.
Welding Control An engineer supervising a welding company approved by the D.O.B.
Remote Disconnect Label Remote control for burner.
Deficiency of Air Supply High heat loss.
Electric Remote Shut Down Location Egress of the boiler room.
Steam Gauge Dial Graduation Approx double the PSI that the safety valve is set to, but never less than 1.5 times
the pressure.
Certified Welder Report Maintenance The welding agency, must be available to the DOB.
Standard Non-Mercury Gauge Label Name of manufacturer.
Boiler Requirements One pressure gauge.
Inspector Notice Posting On or near the boiler.
Feed Water Chemicals Testing Frequency Daily.
stuvia 2026-2027
, NYC Stationary Engineer License Part 3 | Complete Exam Prep | Practice Questions & Answers
Records of Boiler Alterations Owner and on premises.
Material for Reseating Steam Valves Stellite.
Cast Iron Header Pressure Limit 160 Psi.
Bottom Blow Off Frequency Daily.
S Stamp Meaning Power boiler (high pressure).
H Stamp Meaning Low pressure boiler.
Boiler Feed Water Pump Limitation High pressure heater.
Water Treatment Purpose Prevents water and impurities from being carried over with steam.
ASME Section for Boilers Section Two.
Centrifugal Pumps Types Radial, Axial and mixed (not vane).
Face Steam Gauge Size for 3 Psi 2 1/4 inches minimum.
Hair Pin Definition Tubes that are bent into form of the letter 'U'.
Responsibility for Gas Piping Installation The party and welders for the last installation.
Fusible Plugs Requirement Internally fired steam boilers having 100 ft or more but less than 200 ft shall have
one or more fusible plugs.
Inspection Accessibility Requirement They MUST be made accessible.
stuvia 2026-2027
Heating Surface All areas in contact with heated gases (fire tube ID, Water tube OD)
Boiler pH The pH should be between 7-9 (8.5). Acid attack pH below 8.5, caustic attack above
12.9.
Blowoff Tank Outlet Size 2 times the diameter of the blowdown piping, 6 inches internal entering the bottom
of the blow off tank.
Clogged Strainers Deep vacuum.
Heat Recovery Steam Generators (HRSG) Water chemistry is harder to maintain during start ups and shut down.
Welding Control An engineer supervising a welding company approved by the D.O.B.
Remote Disconnect Label Remote control for burner.
Deficiency of Air Supply High heat loss.
Electric Remote Shut Down Location Egress of the boiler room.
Steam Gauge Dial Graduation Approx double the PSI that the safety valve is set to, but never less than 1.5 times
the pressure.
Certified Welder Report Maintenance The welding agency, must be available to the DOB.
Standard Non-Mercury Gauge Label Name of manufacturer.
Boiler Requirements One pressure gauge.
Inspector Notice Posting On or near the boiler.
Feed Water Chemicals Testing Frequency Daily.
stuvia 2026-2027
, NYC Stationary Engineer License Part 3 | Complete Exam Prep | Practice Questions & Answers
Records of Boiler Alterations Owner and on premises.
Material for Reseating Steam Valves Stellite.
Cast Iron Header Pressure Limit 160 Psi.
Bottom Blow Off Frequency Daily.
S Stamp Meaning Power boiler (high pressure).
H Stamp Meaning Low pressure boiler.
Boiler Feed Water Pump Limitation High pressure heater.
Water Treatment Purpose Prevents water and impurities from being carried over with steam.
ASME Section for Boilers Section Two.
Centrifugal Pumps Types Radial, Axial and mixed (not vane).
Face Steam Gauge Size for 3 Psi 2 1/4 inches minimum.
Hair Pin Definition Tubes that are bent into form of the letter 'U'.
Responsibility for Gas Piping Installation The party and welders for the last installation.
Fusible Plugs Requirement Internally fired steam boilers having 100 ft or more but less than 200 ft shall have
one or more fusible plugs.
Inspection Accessibility Requirement They MUST be made accessible.
stuvia 2026-2027
