2026 NYC STATIONARY ENGINEER HIGH PRESSURE
BOILER LICENSE EXAM TEST WITH LATEST
UPDATED (QUESTIONS AND ANSWERS) ALREADY
PASSED!!
The minimum blowdown for a spring loaded safety valve shall be of what percent of set
pressure? - ANSWER👀 10%
How is the main steam pressure gages tested? - ANSWER👀 With an inspectors gage
Who is in charge of the code for any plumbing installations? - ANSWER👀 The nyc
plumbing code
When will anchorage or guides be inspected? - ANSWER👀 Annually
How many brass washout plugs does a miniature boiler have? - ANSWER👀 3 brass
washout plugs, 1" in size
How often is HP piping expansion joints inspected? - ANSWER👀 Weekly
How long should a hydronic system be pressure tested for? - ANSWER👀 2 hours at no
less than 100 psig
How is a gage protected from excessive pressure? - ANSWER👀 Shut off cock
,Who is authorized to witness a test on a gas piping system? - ANSWER👀 Plumbing
inspector, architect, licensed PE, master plumber, agency by the DOB
How should a remote disconnect be labeled? - ANSWER👀 Remote control for burner
When is a fusible plug not needed to be installed on a boiler? - ANSWER👀 Over 200 psig
When shall a power boiler with a MAWP over 400 be tested? - ANSWER👀 Pressure
tested annually
What shall a design plan of a boiler and application contain but not limited to? -
ANSWER👀 Size, location, operating pressure + temperature of the pressure vessel and
type + specs of PRV
Who is responsible for maintaining the copies of the certified welder qualifications report? -
ANSWER👀 The welding agency and shall be available to the DOB
Who needs to furnish a control diagram and boiler operation instructions? - ANSWER👀
The installer
Who will certify and calibrate all gages utilized for testing? - ANSWER👀 A testing operator
What shall be placed in between different joints and piping material? - ANSWER👀 An
approved adapter fitting
What items are exempt from the reporting requirements? - ANSWER👀 The seal welds of
the tubes and the installation of back rings to man holes and hand holes to boilers
,Who will be under control for any welding done to a high pressure tank? - ANSWER👀 An
engineer supervising a welding inspection agency acceptable to the DOB
At what pressure is it requires to have extra heavy valves installed? - ANSWER👀 100 psig
The ______ files an application for a boiler alteration? - ANSWER👀 Inspector
How many safety valves does a boiler have with over 500 square feet of heating surface? -
ANSWER👀 2
Gas fired boilers not exceeding 100 square feet of heating surface shall be provided with a?
- ANSWER👀 Single or double cone type of hood diverter in the stack
A heater for either liquid fuels or other liquids harmful to the boiler shall not be installed? -
ANSWER👀 Directly in the steam or water space within the boiler
Who is responsible for any spatial relationship between tanks and gas services? -
ANSWER👀 The installer of the last installation to correct a violation
Who is responsible for the setting of operating and safety controls? - ANSWER👀 The
Installing Company
With what safety fitting shall you protect high pressure steam and water boilers with? -
ANSWER👀 Dual low water cut outs
, Spring loaded safety valves have a total combined relieve capacity of? - ANSWER👀
100% of the max designed capacity of the boiler
What is the total combined relieving capacity of power actuated relieving valves? -
ANSWER👀 No less the 10% of the MAWP or no higher then 20% above the MAWP
What is the minimum blowdown for a spring loaded safety valve? - ANSWER👀 2%
When a boiler is derated what changes? - ANSWER👀 The MAWP decreases and the
BTU output
In hydronic piping systems where shall a shutoff valve be installed? - ANSWER👀 Before
and after the Pressure Reducing Valve
Hydronic piping joints between steel tubing and fittings shall be? - ANSWER👀 Mechanical
or Welded
What appears on the plate of a boiler? - ANSWER👀 Serial #, name of manufacturer, serial
# of manufacturer, MAWP, heating surface, year built and rated steam capacity
Waste removal of a boiler shall conduct the products of combustion where? - ANSWER👀
To the atmosphere
When a quick closing valve creates water hammer what is installed on the line? -
ANSWER👀 A water hammer adapter is installed
BOILER LICENSE EXAM TEST WITH LATEST
UPDATED (QUESTIONS AND ANSWERS) ALREADY
PASSED!!
The minimum blowdown for a spring loaded safety valve shall be of what percent of set
pressure? - ANSWER👀 10%
How is the main steam pressure gages tested? - ANSWER👀 With an inspectors gage
Who is in charge of the code for any plumbing installations? - ANSWER👀 The nyc
plumbing code
When will anchorage or guides be inspected? - ANSWER👀 Annually
How many brass washout plugs does a miniature boiler have? - ANSWER👀 3 brass
washout plugs, 1" in size
How often is HP piping expansion joints inspected? - ANSWER👀 Weekly
How long should a hydronic system be pressure tested for? - ANSWER👀 2 hours at no
less than 100 psig
How is a gage protected from excessive pressure? - ANSWER👀 Shut off cock
,Who is authorized to witness a test on a gas piping system? - ANSWER👀 Plumbing
inspector, architect, licensed PE, master plumber, agency by the DOB
How should a remote disconnect be labeled? - ANSWER👀 Remote control for burner
When is a fusible plug not needed to be installed on a boiler? - ANSWER👀 Over 200 psig
When shall a power boiler with a MAWP over 400 be tested? - ANSWER👀 Pressure
tested annually
What shall a design plan of a boiler and application contain but not limited to? -
ANSWER👀 Size, location, operating pressure + temperature of the pressure vessel and
type + specs of PRV
Who is responsible for maintaining the copies of the certified welder qualifications report? -
ANSWER👀 The welding agency and shall be available to the DOB
Who needs to furnish a control diagram and boiler operation instructions? - ANSWER👀
The installer
Who will certify and calibrate all gages utilized for testing? - ANSWER👀 A testing operator
What shall be placed in between different joints and piping material? - ANSWER👀 An
approved adapter fitting
What items are exempt from the reporting requirements? - ANSWER👀 The seal welds of
the tubes and the installation of back rings to man holes and hand holes to boilers
,Who will be under control for any welding done to a high pressure tank? - ANSWER👀 An
engineer supervising a welding inspection agency acceptable to the DOB
At what pressure is it requires to have extra heavy valves installed? - ANSWER👀 100 psig
The ______ files an application for a boiler alteration? - ANSWER👀 Inspector
How many safety valves does a boiler have with over 500 square feet of heating surface? -
ANSWER👀 2
Gas fired boilers not exceeding 100 square feet of heating surface shall be provided with a?
- ANSWER👀 Single or double cone type of hood diverter in the stack
A heater for either liquid fuels or other liquids harmful to the boiler shall not be installed? -
ANSWER👀 Directly in the steam or water space within the boiler
Who is responsible for any spatial relationship between tanks and gas services? -
ANSWER👀 The installer of the last installation to correct a violation
Who is responsible for the setting of operating and safety controls? - ANSWER👀 The
Installing Company
With what safety fitting shall you protect high pressure steam and water boilers with? -
ANSWER👀 Dual low water cut outs
, Spring loaded safety valves have a total combined relieve capacity of? - ANSWER👀
100% of the max designed capacity of the boiler
What is the total combined relieving capacity of power actuated relieving valves? -
ANSWER👀 No less the 10% of the MAWP or no higher then 20% above the MAWP
What is the minimum blowdown for a spring loaded safety valve? - ANSWER👀 2%
When a boiler is derated what changes? - ANSWER👀 The MAWP decreases and the
BTU output
In hydronic piping systems where shall a shutoff valve be installed? - ANSWER👀 Before
and after the Pressure Reducing Valve
Hydronic piping joints between steel tubing and fittings shall be? - ANSWER👀 Mechanical
or Welded
What appears on the plate of a boiler? - ANSWER👀 Serial #, name of manufacturer, serial
# of manufacturer, MAWP, heating surface, year built and rated steam capacity
Waste removal of a boiler shall conduct the products of combustion where? - ANSWER👀
To the atmosphere
When a quick closing valve creates water hammer what is installed on the line? -
ANSWER👀 A water hammer adapter is installed
