Exam (elaborations)
NYC High Pressure Boiler License – Qs & As
NYC High Pressure Boiler License – Qs & As
[Show more]
Content preview
NYC High Pressure Boiler License – Qs & AsThe minimum blowdown for a spring loaded safety valve shall be of what
percent of set pressure? ✔️Ans - 10%
How is the main steam pressure gages tested? ✔️Ans - With an inspectors
gage
Who is in charge of the code for any plumbing installations? ✔️Ans - The
nyc plumbing code
When will anchorage or guides be inspected? ✔️Ans - Annually
How many brass washout plugs does a miniature boiler have? ✔️Ans - 3
brass washout plugs, 1" in size
How often is HP piping expansion joints inspected? ✔️Ans - Weekly
How long should a hydronic system be pressure tested for? ✔️Ans - 2 hours
at no less than 100 psig
How is a gage protected from excessive pressure? ✔️Ans - Shut off cock
Who is authorized to witness a test on a gas piping system? ✔️Ans -
Plumbing inspector, architect, licensed PE, master plumber, agency by the
DOB
How should a remote disconnect be labeled? ✔️Ans - Remote control for
burner
When is a fusible plug not needed to be installed on a boiler? ✔️Ans - Over
200 psig
When shall a power boiler with a MAWP over 400 be tested? ✔️Ans -
Pressure tested annually
,What shall a design plan of a boiler and application contain but not limited to?
✔️Ans - 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? ✔️Ans - The welding agency and shall be available to
the DOB
Who needs to furnish a control diagram and boiler operation instructions?
✔️Ans - The installer
Who will certify and calibrate all gages utilized for testing? ✔️Ans - A
testing operator
What shall be placed in between different joints and piping material? ✔️Ans
- An approved adapter fitting
What items are exempt from the reporting requirements? ✔️Ans - 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?
✔️Ans - An engineer supervising a welding inspection agency acceptable to
the DOB
At what pressure is it requires to have extra heavy valves installed? ✔️Ans -
100 psig
The ______ files an application for a boiler alteration? ✔️Ans - Inspector
How many safety valves does a boiler have with over 500 square feet of
heating surface? ✔️Ans - 2
Gas fired boilers not exceeding 100 square feet of heating surface shall be
provided with a? ✔️Ans - 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? ✔️Ans - Directly in the steam or water space within the boiler
, Who is responsible for any spatial relationship between tanks and gas
services? ✔️Ans - The installer of the last installation to correct a violation
Who is responsible for the setting of operating and safety controls? ✔️Ans -
The Installing Company
With what safety fitting shall you protect high pressure steam and water
boilers with? ✔️Ans - Dual low water cut outs
Spring loaded safety valves have a total combined relieve capacity of? ✔️Ans
- 100% of the max designed capacity of the boiler
What is the total combined relieving capacity of power actuated relieving
valves? ✔️Ans - 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? ✔️Ans -
2%
When a boiler is derated what changes? ✔️Ans - The MAWP decreases and
the BTU output
In hydronic piping systems where shall a shutoff valve be installed? ✔️Ans -
Before and after the Pressure Reducing Valve
Hydronic piping joints between steel tubing and fittings shall be? ✔️Ans -
Mechanical or Welded
What appears on the plate of a boiler? ✔️Ans - 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?
✔️Ans - To the atmosphere
When a quick closing valve creates water hammer what is installed on the
line? ✔️Ans - A water hammer adapter is installed
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$31.58. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80202 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now