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FDNY A-35 Exam With 100% Correct And Verified Answers 2024
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FDNY A-35 Exam With 100% Correct And Verified Answers 2024
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FDNY A-35 Exam With 100% Correct AndVerified Answers 2024
Air compressors power... - Correct Answer-(1) industrial equipment and (2) construction tools
Examples of equipment powered by air compressor - Correct Answer-pneumatic wrenches, lifts in auto service stations, paint spray booths
Air compressors enable... - Correct Answer-(1) efficient repair of all types of vehicles; and (2) facilitate their safe operation on public thoroughfares
Permit is required for air compressor - Correct Answer-that
compresses air above 100 PSI
Types of air compressors - Correct Answer-(1) reciprocating;
(2) centrifugal;
(3) solar; and
(4) rotary Vendarsol *Difference is the way in which they compress air
How do air compressors work - Correct Answer-take the air in a room and force it into a container UNDER PRESSURE. The more air forced into the container, the greater the pressure. Compressed air can be discharged from the container at a controlled rate.
Most common air compressor - Correct Answer-
Reciprocating
Air compressors are sometimes called - Correct Answer-air pumps
Air compressors can be powered by: - Correct Answer-(1) electric motors;
(2) internal combustion engines; or
(3) steam turbines
Explosions & air compressors - Correct Answer-If there is a build up of flammable gases (ex: in service stations and workshops), those gases are heavier than air and fall to the floor before spreading outward. These gases are easily Vendarsol ignited by sparks and high temperatures--which INCLUDES
the heat generated by an air compressor.
To avoid explosions w/ air compressors - Correct Answer-
Raise air compressor at LEAST 5 feet above ground level so that no flammable gases are drawn into the compressor. To meet the height requirement you can 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.
Power to air compressor - Correct Answer-entire unit is driven by an electric motor. Motor activates a series of drive belts. Belts power the moving parts of the unit--like w/ power steering and alternator in automobile
Compression Chamber operation - Correct Answer-Air is compressed in compression chamber which consists of a PISTON inside a CYLINDER. Piston moves up and down. When piston moves down -->draws air into cylinder, through INTAKE VALVE (valve automatically opens when piston moves down). Vendarsol
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