FDNY A-35 EXAM-WITH 100%
VERIFIED SOLUTIONS - 2024 What are air compressors used to power? Industrial equipment and construction tools
What pressure compressor require a certificate holder to operate? 100+ psi
What are air compressors used to power? Industrial equipment and construction tools
What pressure compressor require a certificate holder to operate? 100+ psi
What are two examples of tools air compressors power? Pneumatic wrenches and air
lifts in automobile repair shops
What are the 4 types of air compressors? Reciprocating, centrifugal, rotary, and solar
How can air compressors be powered?
Electric motors, internal combustion engines, and steam turbines
What can be done to prevent flammable gasses from entering air compressors? Position
the compressor 5 feet above ground
What does the compression chamber consist of? A piston inside of a cylinder
When the piston moves downward, what happens to the intake valve? It automatically
opens and air is drawn into the cylinder
, When air is compressed and the intake valve is close, which direction is the piston
moving?
It is moving upward
When pressure reaches a certain level, what happens with the discharge valve? It opens
to allow air into the receiver
What is a single stage compressor?
A compressor that pumps air into the receiver after one step of compression from one or
more cylinders and pistons.
What is a multistage compressor?
A compressor that discharges air between multiple cylinders before finally reaching the
receiver, reaching a new level of compression after passing each cylinder
What happens to air when it is compressed? It becomes heated
What cools the air after it's been compressed? An intercooler
What is the purpose of an unloading valve?
To allow air to escape when there is strain on the motor(usually during startup).
Automatic in most cases manual on older compressors.
What ensures compressed air does not flow out when the unloading valve is activated?
The check valve
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 Hosmerit. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
