Nyc high pressure boiler license| 359
questions| with complete solutions|
verified.
The minimum blowdown for a spring loaded safety valve shall be
of what percent of set pressure? - -10%
-How is the main steam pressure gages tested? - -With an
inspectors gage
-Who is in charge of the code for any plumbing installations? - -
The nyc plumbing code
-When will anchorage or guides be inspected? - -Annually
-How many brass washout plugs does a miniature boiler have? - -
3 brass washout plugs, 1" in size
-How often is HP piping expansion joints inspected? - -Weekly
-How long should a hydronic system be pressure tested for? - -2
hours at no less than 100 psig
-How is a gage protected from excessive pressure? - -Shut off
cock
-Who is authorized to witness a test on a gas piping system? - -
Plumbing inspector, architect, licensed PE, master plumber,
agency by the DOB
-How should a remote disconnect be labeled? - -Remote control
for burner
,-When is a fusible plug not needed to be installed on a boiler? - -
Over 200 psig
-When shall a power boiler with a MAWP over 400 be tested? - -
Pressure tested annually
-What shall a design plan of a boiler and application contain but
not limited to? - -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? - -The welding agency and shall be
available to the DOB
-Who needs to furnish a control diagram and boiler operation
instructions? - -The installer
-Who will certify and calibrate all gages utilized for testing? - -A
testing operator
-What shall be placed in between different joints and piping
material? - -An approved adapter fitting
-What items are exempt from the reporting requirements? - -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? - -An engineer supervising a welding inspection
agency acceptable to the DOB
-At what pressure is it requires to have extra heavy valves
installed? - -100 psig
,-The ______ files an application for a boiler alteration? - -Inspector
-How many safety valves does a boiler have with over 500
square feet of heating surface? - -2
-Gas fired boilers not exceeding 100 square feet of heating
surface shall be provided with a? - -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? - -Directly in the steam or water
space within the boiler
-Who is responsible for any spatial relationship between tanks
and gas services? - -The installer of the last installation to correct
a violation
-Who is responsible for the setting of operating and safety
controls? - -The Installing Company
-With what safety fitting shall you protect high pressure steam
and water boilers with? - -Dual low water cut outs
-Spring loaded safety valves have a total combined relieve
capacity of? - -100% of the max designed capacity of the boiler
-What is the total combined relieving capacity of power actuated
relieving valves? - -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? - -2%
, -When a boiler is derated what changes? - -The MAWP decreases
and the BTU output
-In hydronic piping systems where shall a shutoff valve be
installed? - -Before and after the Pressure Reducing Valve
-Hydronic piping joints between steel tubing and fittings shall be?
- -Mechanical or Welded
-What appears on the plate of a boiler? - -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? - -To the atmosphere
-When a quick closing valve creates water hammer what is
installed on the line? - -A water hammer adapter is installed
-Safety valve capacity may be checked in what 3 ways? - -
Accumulation test, evaporative capacity of feed water and
amount of fuel burned
-Records of inspects are kept where? - -On the premises
-No joint anchorages or guides shall be repaired, replaced or
relocated without a work permit issued by the department. This
shall not apply to the repacking of a ___ or ___ joint. - -Ball or slip
joint
-Internal high pressure inspection requires the boiler to be ____,
___, ___, and ___. - -Shutdown, drained, removal of hand and man
holes
questions| with complete solutions|
verified.
The minimum blowdown for a spring loaded safety valve shall be
of what percent of set pressure? - -10%
-How is the main steam pressure gages tested? - -With an
inspectors gage
-Who is in charge of the code for any plumbing installations? - -
The nyc plumbing code
-When will anchorage or guides be inspected? - -Annually
-How many brass washout plugs does a miniature boiler have? - -
3 brass washout plugs, 1" in size
-How often is HP piping expansion joints inspected? - -Weekly
-How long should a hydronic system be pressure tested for? - -2
hours at no less than 100 psig
-How is a gage protected from excessive pressure? - -Shut off
cock
-Who is authorized to witness a test on a gas piping system? - -
Plumbing inspector, architect, licensed PE, master plumber,
agency by the DOB
-How should a remote disconnect be labeled? - -Remote control
for burner
,-When is a fusible plug not needed to be installed on a boiler? - -
Over 200 psig
-When shall a power boiler with a MAWP over 400 be tested? - -
Pressure tested annually
-What shall a design plan of a boiler and application contain but
not limited to? - -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? - -The welding agency and shall be
available to the DOB
-Who needs to furnish a control diagram and boiler operation
instructions? - -The installer
-Who will certify and calibrate all gages utilized for testing? - -A
testing operator
-What shall be placed in between different joints and piping
material? - -An approved adapter fitting
-What items are exempt from the reporting requirements? - -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? - -An engineer supervising a welding inspection
agency acceptable to the DOB
-At what pressure is it requires to have extra heavy valves
installed? - -100 psig
,-The ______ files an application for a boiler alteration? - -Inspector
-How many safety valves does a boiler have with over 500
square feet of heating surface? - -2
-Gas fired boilers not exceeding 100 square feet of heating
surface shall be provided with a? - -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? - -Directly in the steam or water
space within the boiler
-Who is responsible for any spatial relationship between tanks
and gas services? - -The installer of the last installation to correct
a violation
-Who is responsible for the setting of operating and safety
controls? - -The Installing Company
-With what safety fitting shall you protect high pressure steam
and water boilers with? - -Dual low water cut outs
-Spring loaded safety valves have a total combined relieve
capacity of? - -100% of the max designed capacity of the boiler
-What is the total combined relieving capacity of power actuated
relieving valves? - -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? - -2%
, -When a boiler is derated what changes? - -The MAWP decreases
and the BTU output
-In hydronic piping systems where shall a shutoff valve be
installed? - -Before and after the Pressure Reducing Valve
-Hydronic piping joints between steel tubing and fittings shall be?
- -Mechanical or Welded
-What appears on the plate of a boiler? - -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? - -To the atmosphere
-When a quick closing valve creates water hammer what is
installed on the line? - -A water hammer adapter is installed
-Safety valve capacity may be checked in what 3 ways? - -
Accumulation test, evaporative capacity of feed water and
amount of fuel burned
-Records of inspects are kept where? - -On the premises
-No joint anchorages or guides shall be repaired, replaced or
relocated without a work permit issued by the department. This
shall not apply to the repacking of a ___ or ___ joint. - -Ball or slip
joint
-Internal high pressure inspection requires the boiler to be ____,
___, ___, and ___. - -Shutdown, drained, removal of hand and man
holes
