Stationary Engineer Test NYC DOB Questions with
Verified Correct Answer
What is the heating surface comprised of?
All areas in contact with heated gases ( fire tube- ID, water tube OD)
Boiler PH? The PH should be between
The PH should be between 7-9 (8.5) Acid attack ph below 8.5, caustic attack above 12.9
What is the size outlet of the blow-off tank?
2 times the diameter of the blowdown piping, 6 inches internal entering the bottom of the blow
off tank
What would happen if your strainers from the discharge and supply lines are clogged?
Deep Vacuum
Heat recovery steam generators (HRSG) is unique because?
Water chemistry is harder to maintain during start ups and shut down
Who will be under control for any welding done to high pressure tank?
An engineer supervising a welding company approved by D.O.B.
How should the remote disconnect be labelled?
Remote control for burner
Which is not a result of defficiency of air supply?
High heat loss
,Where is the electric remote shut down located for the boiler?
Egress of the boiler room
The dial of the steam gauge shall be graduated to?
Approximately double the PSI that the safety valve set to, BUT never less than 1.5 x's the
pressure.
Who is responsible for maintaining the records of the certified welder report?
The welding agency, must be available to the D.O.B.
What is the lable required on a standard mercury gauge?
Name of manufacturer
All boilers must have
One pressure gauge
After an inspectors notice is given to the owner where is it posted?
On or near the boiler
How often do you test feed water chemicals?
Daily
Who keeps the records of boiler alterations and weld repairs, and where are they kept?
Owner and on premises
What materials is used to reseat steam valves?
Stellite
, What pressure shall a cast iron header NOT exceed?
160 psi
How often do you do bottom blow-off?
Daily
What does the "S" stamp mean?
Power boiler ( High Pressure)
What does "H" stamp means?
Low pressure boilers
A boiler feed water pump cannot be?
High pressure heater
What prevents water and impurities from being carried over with steam?
Water treatment
What section of ASME covers for boilers?
Section 2
Centrifuigal pumps are ?
Radial, axial and mixed. ( not vane)
What size face steam gauge would you use if the working pressure is 3 psi?
2 1/2 inches minimum
Verified Correct Answer
What is the heating surface comprised of?
All areas in contact with heated gases ( fire tube- ID, water tube OD)
Boiler PH? The PH should be between
The PH should be between 7-9 (8.5) Acid attack ph below 8.5, caustic attack above 12.9
What is the size outlet of the blow-off tank?
2 times the diameter of the blowdown piping, 6 inches internal entering the bottom of the blow
off tank
What would happen if your strainers from the discharge and supply lines are clogged?
Deep Vacuum
Heat recovery steam generators (HRSG) is unique because?
Water chemistry is harder to maintain during start ups and shut down
Who will be under control for any welding done to high pressure tank?
An engineer supervising a welding company approved by D.O.B.
How should the remote disconnect be labelled?
Remote control for burner
Which is not a result of defficiency of air supply?
High heat loss
,Where is the electric remote shut down located for the boiler?
Egress of the boiler room
The dial of the steam gauge shall be graduated to?
Approximately double the PSI that the safety valve set to, BUT never less than 1.5 x's the
pressure.
Who is responsible for maintaining the records of the certified welder report?
The welding agency, must be available to the D.O.B.
What is the lable required on a standard mercury gauge?
Name of manufacturer
All boilers must have
One pressure gauge
After an inspectors notice is given to the owner where is it posted?
On or near the boiler
How often do you test feed water chemicals?
Daily
Who keeps the records of boiler alterations and weld repairs, and where are they kept?
Owner and on premises
What materials is used to reseat steam valves?
Stellite
, What pressure shall a cast iron header NOT exceed?
160 psi
How often do you do bottom blow-off?
Daily
What does the "S" stamp mean?
Power boiler ( High Pressure)
What does "H" stamp means?
Low pressure boilers
A boiler feed water pump cannot be?
High pressure heater
What prevents water and impurities from being carried over with steam?
Water treatment
What section of ASME covers for boilers?
Section 2
Centrifuigal pumps are ?
Radial, axial and mixed. ( not vane)
What size face steam gauge would you use if the working pressure is 3 psi?
2 1/2 inches minimum
