Fdny A35 Exam Questions and VERIFIED Answers
A+GRADED
Air..compressors..power.....-..correct..answers..-
..(1)..industrial..equipment..and..(2)..construction..tools
Examples..of..equipment..powered..by..air..compressor..-..correct..answers..-
..pneumatic..wrenches,..lifts..in..auto..service..stations,..paint..spray..booths
Air..compressors..enable.....-..correct..answers..-
..(1)..efficient..repair..of..all..types..of..vehicles;..and..(2)..facilitate..their..safe..operation..on..publ
ic..thoroughfares
Permit..is..required..for..air..compressor..-..correct..answers..-
..that..compresses..air..above..100..PSI
Types..of..air..compressors..-..correct..answers..-..(1)..reciprocating;
(2)..centrifugal;
(3)..solar;..and
(4)..rotary
*Difference..is..the..way..in..which..they..compress..air
How..do..air..compressors..work..-..correct..answers..-
..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..fr
om..the..container..at..a..controlled..rate.
, Most..common..air..compressor..-..correct..answers..-..Reciprocating
Air..compressors..are..sometimes..called..-..correct..answers..-..air..pumps
Air..compressors..can..be..powered..by:..-..correct..answers..-..(1)..electric..motors;
(2)..internal..combustion..engines;..or
(3)..steam..turbines
Explosions..&..air..compressors..-..correct..answers..-
..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..a
re..easily..ignited..by..sparks..and..high..temperatures--
which..INCLUDES..the..heat..generated..by..an..air..compressor.
To..avoid..explosions..w/..air..compressors..-..correct..answers..-
..Raise..air..compressor..at..LEAST..5..feet..above..ground..level..so..that..no..flammable..gases..a
re..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..ai
r..compressor..bolted..to..the..top..of..the..tank.
Power..to..air..compressor..-..correct..answers..-
..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..answers..-
..Air..is..compressed..in..compression..chamber..which..consists..of..a..PISTON..inside..a..CYLIN
DER...Piston..moves..up..and..down...
A+GRADED
Air..compressors..power.....-..correct..answers..-
..(1)..industrial..equipment..and..(2)..construction..tools
Examples..of..equipment..powered..by..air..compressor..-..correct..answers..-
..pneumatic..wrenches,..lifts..in..auto..service..stations,..paint..spray..booths
Air..compressors..enable.....-..correct..answers..-
..(1)..efficient..repair..of..all..types..of..vehicles;..and..(2)..facilitate..their..safe..operation..on..publ
ic..thoroughfares
Permit..is..required..for..air..compressor..-..correct..answers..-
..that..compresses..air..above..100..PSI
Types..of..air..compressors..-..correct..answers..-..(1)..reciprocating;
(2)..centrifugal;
(3)..solar;..and
(4)..rotary
*Difference..is..the..way..in..which..they..compress..air
How..do..air..compressors..work..-..correct..answers..-
..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..fr
om..the..container..at..a..controlled..rate.
, Most..common..air..compressor..-..correct..answers..-..Reciprocating
Air..compressors..are..sometimes..called..-..correct..answers..-..air..pumps
Air..compressors..can..be..powered..by:..-..correct..answers..-..(1)..electric..motors;
(2)..internal..combustion..engines;..or
(3)..steam..turbines
Explosions..&..air..compressors..-..correct..answers..-
..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..a
re..easily..ignited..by..sparks..and..high..temperatures--
which..INCLUDES..the..heat..generated..by..an..air..compressor.
To..avoid..explosions..w/..air..compressors..-..correct..answers..-
..Raise..air..compressor..at..LEAST..5..feet..above..ground..level..so..that..no..flammable..gases..a
re..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..ai
r..compressor..bolted..to..the..top..of..the..tank.
Power..to..air..compressor..-..correct..answers..-
..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..answers..-
..Air..is..compressed..in..compression..chamber..which..consists..of..a..PISTON..inside..a..CYLIN
DER...Piston..moves..up..and..down...