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FDNY A-35 EXAM-WITH 100% VERIFIED SOLUTIONS - 2024

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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

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  • October 2, 2024
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  • 2024/2025
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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 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

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