QUESTIONS AND ANSWERS
1. bBefore breplacing ba bgrinding bdisc b, bwhat bshould bbe bnoted bfirst b? b
A b) bGrinding bdisc bwheel bshould bmatch bor bexceed bthe bgrinder bmotor boperating
bRPM b. b
B b) bGrinding bdisc bshould bmatch bthe btype bof bthe breplaced bdisc b. b\ bC)Always
breplace ba brough bsurface bstone bwith ba bsmooth btype bdisc b
D b) bAll bgrinding bdisc bstones band bgrinders bare bcompatible b. b- bcorrect
banswers✔✔A b) bGrinding bdisc bwheel bshould bmatch bor bexceed bthe bgrinder bmotor
boperating bRPM b.
When ba btechnician bis bpressure btesting bthe bcoolant b- bsystem bfor bpossible bleaks b,
bwhat bis bthe bsuggested bprocedure b? b
A b) bPressurize bwith bshop bair b. b
B b) bPressurize bwith bnitrogen bto b100 bPSI b. b
C b) bTest bat b15 bPSI b. b
D b) bInstall boriginal bradiator bcap band ballow bsystem bto bpressurize b. b- bcorrect
banswers✔✔( bC b) bTest bat b15 bPSI b.
4. bIn border bto bmeasure bpre b- bload b, bwhich bof bthe bfollowing binstruments bor btools
bwould bbe b
A b) bDial bindicator b. b
B b) bMicrometer b. b
C b) bTorque bwrench b
D b) bVernier bcaliper b. b- bcorrect banswers✔✔( bA b) bDial bindicator b.
5. bAn bA b/ bC bcompressor bclutch bhas bseized bWhat bis bthe bfirst bstep bin bA b/ bC
bclutch breplacem b
A b) bInstall bnew bdrive bbelt b. b
B b) bRemove bdamaged bbelt b. b
C b) bEvacuate bsystem b. b
D b) bCheck bcompressor boil blevel b. b- bcorrect banswers✔✔( bB b) bRemove bdamaged
bbelt b.
6. bA bserpentine bbelt bhas bvisible bindications bof bcracking bacross bmost bof bthe bribbed
bcontact bsurface barea b. bWhat bis bthe bmost blikely bcause b? b
, A b) bHeat b.
B b) bCold b. b
C b) bMoisture b. b
D b) bSalt b. b- bcorrect banswers✔✔( bA b) bHeat b.
7. bSelect ba bclassification bextinguisher b? bof bfire bthat bcan bbe bsafely bextinguished
busing ba bwater b- bbased b
A b) bClass bA
B) bClass bB b
C b) bClass bC b
D b) bClass bD b- bcorrect banswers✔✔A b) bClass bA
8. bOxy b- bAcetylene bhoses bare busually bcolor b- bused bto bidentify b, ban boxygen
bsupply b- bline b? bcoded b. bWhich bcolor bof bhose btypically b
A b) bBlue
bB b) bRed b
C b) bBlack b, bwith bgreen btracer b
D b) bGreen b- bcorrect banswers✔✔D b) bGreen
9. bAcetylene btanks bare bdesigned bto brequire bthat bthe bgauge b- bthreaded bfittings bare
bof b?
A)Quick bdisconnect bdesign b. b
B b) bTorque b- bto b- byield bdesign b
C b) bLeft b- bhand bthread bdesign b. b
D b) bRight b- bhand bthread bdesign b. b- bcorrect banswers✔✔C bLeft bhand bthread
bdesign
10. bA btechnician bis bpreparing bto bweld bupon bthe bframe bof ba bvehicle b. bWhich bof
bthe bfollowing b, bis bthe bmost b- bcorrect barea bto blocate bthe bground b- bclamp b? b
A b) bAttached bto bthe bvehicle b- belectronics bground bstud b. b
B b) bAs bclose bto bthe bwork bas bpossible b. b
C b) bAs bfar bfrom bthe bwork bas bpossible b, bin border bto bavoid broad bshock b. b
D b) bAttach bto bthe bvehicle bbumper b. b- bcorrect banswers✔✔( bB b) bAs bclose bto bthe
bwork bas bpossible b.
11. bThe brecommended bregulator b- bflow b- bsetting bfor bsafe bacetylene boperation bis b?
bA b) bFull bback b- bseated bposition b. b
B b) bFull bfront b- bseated bposition b. b
C b) b5 bP.S.I. b
D b) b250 bP.S.I b.. b- bcorrect banswers✔✔C b) b5 bP.S.I.
12. bWhat bis bthe brecommended bprotective blens brating bfor boxy b- bacetylene bwelding
b? b
A b) bGrade b20 b- brated blens bfilter b. b
B b) bGrade b15 b- brated blens bfilter b. b
C b) bGrade b4-6 brated blens bfilter b