FDNY A-35 Exam Test Questions with Verified Answers Graded A+ 2024/2025
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Course
FDNY A-35
Institution
FDNY A-35
FDNY A-35 Exam Test Questions with Verified Answers Graded A+
2024/2025
(1) industrial equipment and (2) construction tools
pneumatic wrenches, lifts in auto service stations,
paint spray booths
(1) efficient repair of all types of vehicles; and (2)
facilitate their safe operation on public t...
FDNY A-35 Exam Test Questions with Verified Answers Graded A+
2024/2025
1. (1) industrial equipment and (2) construction tools Air compressors
power...
2. pneumatic wrenches, lifts in auto service stations, Examples of
paint spray booths equipment pow-
ered by air com-
pressor
3. (1) efficient repair of all types of vehicles; and (2) Air compressors
facilitate their safe operation on public thoroughfares enable...
4. that compresses air above 100 PSI Permit is required
for air compressor
5. (1) reciprocating; Types of air com-
(2) centrifugal; pressors
(3) solar; and
(4) rotary
*Difference is the way in which they compress air
6. take the air in a room and force it into a container How do air com-
UNDER PRESSURE. The more air forced into the con- pressors work
tainer, the greater the pressure. Compressed air can
be discharged from the container at a controlled rate.
7. Reciprocating Most common air
compressor
8. air pumps Air compressors
are sometimes
called
9. (1) electric motors; Air compressors
(2) internal combustion engines; or can be powered
(3) steam turbines by:
10. If there is a build up of flammable gases (ex: in ser- Explosions & air
vice stations and workshops), those gases are heavier compressors
than air and fall to the floor before spreading outward.
1/9
, FDNY A-35 Exam Test Questions with Verified Answers Graded A+
2024/2025
These gases are easily ignited by sparks and high
temperatures--which INCLUDES the heat generated
by an air compressor.
11. Raise air compressor at LEAST 5 feet above ground To avoid explo-
level so that no flammable gases are drawn into the sions w/ air com-
compressor. To meet the height requirement you can pressors
place compressor on a shelf or bench OR the air
receiver tank may be turned and stood on end w/ the
air compressor bolted to the top of the tank.
12. entire unit is driven by an electric motor. Motor acti- Power to air com-
vates a series of drive belts. Belts power the moving pressor
parts of the unit--like w/ power steering and alternator
in automobile
13. Air is compressed in compression chamber which Compression
consists of a PISTON inside a CYLINDER. Piston Chamber
moves up and down. operation
When piston moves down -->draws air into cylinder,
through INTAKE VALVE (valve automatically opens
when piston moves down).
When piston moves up-->air is compressed (intake
vale automatically closes to avoid air escaping from
cylinder).
14. When air pressure reaches a certain level, it forces Air Reciever Oper-
open a DISCHARGE VALVE (which is spring loaded). ation
This releases compressed air into air reciever (aka air
tank), which is what supplies compressed air when
needed.
15. with one cylinder and one piston Single Stage Air
Compressor
16. with more than one piston and cylinder. Multi Stage Air
Compressor
Each cylinder will increase the pressure of the air
2/9
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