FDNY A-35 2025 Exam 1 The
Ultimate Prep Resource for
Guaranteed Success!
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.
Ultimate Prep Resource for
Guaranteed Success!
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.
