Exam (elaborations)
NYC High Pressure Boiler Safety Questions with Correct Answers.
- Module
- Boiler License
- Institution
- Boiler License
NYC High Pressure Boiler Safety Questions with Correct Answers.
[Show more]
Content preview
NYC High Pressure Boiler Safety Questions withCorrect Answers
The minimum blowdown for a spring loaded safety valve shall be of what percent of the set pressure? -
Answer - 10%
How many safety valves does a boiler have with 500 sq. ft. of heating surface? - Answer - 2 safety
valves
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 relief 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
than 10% of the MAWP or no higher than 20% above the MAWP
What is the minimum blowdown for a spring loaded safety valve? - Answer - 2%
Safety valve capacity may be checked in what 3 ways? - Answer - Accumulation test, amount of fuel
burned, evaporative capacity of feed water
Safety valve popping tolerance + capacity up to 70 psig? 71-300 psig, 301-1000 psig, >1000 - Answer -
70 = 2 psig, 71-300 = 3%, 301-1000 = 10 psig, >1000 = 1%
What is the minimum safety or relief capacity for electric boilers? - Answer - 3 1/2 lb/hr/kw
If there is one safety valve on an electric boiler, what is the max output? - Answer - Less than 1,100kW
If an electric boiler is operating at a max of 1,100kW, how many safety valves are required? - Answer -
2 safety valves
How many safety valves are on a miniature boiler? - Answer - 1 since only 20 sq ft
Electric boilers have two or more safety valves at a power output of _______ kW. - Answer - 1,100kW
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 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 Wisdoms. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.97. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82871 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now