PIPEFITTER NCCER V4 STUDY GUIDE
QUESTION AND ANSWERS
OSHA tapproved tanchorage tpoint t- t✔✔when tworking tfrom ta tsuspended tscaffold,
twear ta tsafety tbelt tthat tis tsecurely ttied tto tthe
3 t1/2 t- t✔✔a ttoe tboard tmust tbe twhat tminimum theight tto tcomply twith tOSHA tsafety
tstandards tfor tscaffolding?
30 tPSI t- t✔✔What tmaximum tAir tpressure tmay tbe tused tfor tcleaning?
18.21 tin. t- t✔✔A ttank thas ta tdiameter tof t58ft, tthe tcircumference tof tthe ttank tis
t182.23ft, tone tdegree tof tdiameter tequals t6.07 tin.
Three tdegrees tof tdiameter twill tequal?
6'-8 t5/8" t- t✔✔A tpiece tof t2" tpipe tis tbeing tcut tto trun tbetween ttwo t90 tDegree tthreaded
tfittings, tthe tcenter tto tcenter tmeasurement tof tthe tfittings tis t7'-2 t1/2"
What tis tthe tcut tlength tof tthe tpipe?
7.3750 tin. t- t✔✔Convert t7 t3/8" tto tdecimal tequivalent
255 tSq.Ft t- t✔✔what tis tthe tarea tof ta trectangle tthat tis t25'-6" tlong tand t10'-0" twide?
t( tA= tW tx tL t)
40 tSq.FT t- t✔✔what tis tthe tsq. tfootage tof tthe tsurface tarea tof ta tsteel tplate tmeasuring
t120 tin. tlong tby t48 tin. twide?
119'-3 t1/2" t- t✔✔A t14" tSCH tcarbon tsteel tpipe tis tbeing tinstalled tin ta tpipe track. tThe
tcenter tline televation tof tthe tpipe twill tbe t120' t-3 t1/2". twhat twill tthe tbottom tof tpipe
televation tbe?
4.67 tft t- t✔✔The tdecimal tof t56in. tis
401.1 t- t✔✔A ttank tholding t3,000 tGal. tof twater tcontains tof tmany tcu.ft. tof twater? t( tone
tGal. tequals t0.1337 tcu. tft)
.25 t- t✔✔How tmuch tis t3" tin thundredths tof ta tfoot?
, Use ttwo trigging tsling tthat tare tdouble twrapped tand tchocked tone tchocker tis tplaced
tabout t5ft tfrom teach tend tof tthe tbundle t- t✔✔which tof tthe tfollowing tmethods tcould tbe
tused tto trig ta t20 tfoot tlong tbundle tof tsix trebar trods tthat twill tbe tpick tup tby ta tsmall
tcrane?
three tfeet t- t✔✔ladders tuse twith tscaffolding tmust textend tabove tthe tlanding tfrom ta
tminimum tdistance tof
Machine tBolt t- t✔✔What tcan tbe tused tfor ta tshackle tpin tas tlong tas tthe tthread tpatterns
tmatch?
vertical tlifting t- t✔✔Chain thoist tare tprimarily tdesigned tfor
use ta tdouble twrap ton tthe tchocker tto tprevent tthe tchocker tfrom tsliding ton tthe tpipe t-
t✔✔A tpipe twill tbe tlift twith twire trope tslings. tWhich tof tthe tfollowing ttechniques tshould
tbe tused?
1 t1/16in t- t✔✔What tis tthe tlayout tlength tof ta t1 tin. t3,000 tpound tthreaded ttee?
vertical t- t✔✔A tthree tlegged tpipe tjack tcan tbe tadjusted
tapers t1/16 tin. tper tin. t- t✔✔the tNPT tpipe tthread
three tto tfour tturns t- t✔✔A tpipe thas tbeen tthreaded twith ta trigid t535 tmachine tand tnow
tthe tthreads tare tto tbe tchecked twith ta tfitting. tHow tmany tturns tare tnormally tsufficient
tto tcheck tthe tthreads?
cut tand tthread tpipe ta tmaximum tof t2" tin tdiameter t- t✔✔a tpipe tmachine tis tused tto
4'- t7 t7/15" t- t✔✔A tnew t1 t1/2" tthreaded tline tbeing trun tneeds tto tchange televations
tfrom tthe tcenterline televation tof t101.3' tat tcolumn tL t-6 tto tthe tnew tcenterline televation
tof t96.4' tat tcolumn tL-5. tUse t90 tDegrees, t3,000 tLBs. tThreaded tfittings, tand tcalculate
tthe tthread tengagement twith tthe tpipefitters thandbook. twhat tcut tlength tof t1 t1/2" tpipe
tis tneeded?
nipples t- t✔✔Short tlengths tof tpipe, tthreaded ton tboth tends tand tused tto tmake
tconnections tbetween tfittings t, tare tcalled
every tday t- t✔✔an texcavation tmust tbe tinspected ta tminimum tof
swedge t- t✔✔A tfitting tused tto tjoin tfemale tends tof tthreaded tpipe tof tdifferent tsizes tis
treferred tto tas ta
a tsump tpump t- t✔✔A tpump tthat tcan tbe tsubmerged tinto ta tliquid tin torder tto tremove
tthat tliquid tis tcalled
QUESTION AND ANSWERS
OSHA tapproved tanchorage tpoint t- t✔✔when tworking tfrom ta tsuspended tscaffold,
twear ta tsafety tbelt tthat tis tsecurely ttied tto tthe
3 t1/2 t- t✔✔a ttoe tboard tmust tbe twhat tminimum theight tto tcomply twith tOSHA tsafety
tstandards tfor tscaffolding?
30 tPSI t- t✔✔What tmaximum tAir tpressure tmay tbe tused tfor tcleaning?
18.21 tin. t- t✔✔A ttank thas ta tdiameter tof t58ft, tthe tcircumference tof tthe ttank tis
t182.23ft, tone tdegree tof tdiameter tequals t6.07 tin.
Three tdegrees tof tdiameter twill tequal?
6'-8 t5/8" t- t✔✔A tpiece tof t2" tpipe tis tbeing tcut tto trun tbetween ttwo t90 tDegree tthreaded
tfittings, tthe tcenter tto tcenter tmeasurement tof tthe tfittings tis t7'-2 t1/2"
What tis tthe tcut tlength tof tthe tpipe?
7.3750 tin. t- t✔✔Convert t7 t3/8" tto tdecimal tequivalent
255 tSq.Ft t- t✔✔what tis tthe tarea tof ta trectangle tthat tis t25'-6" tlong tand t10'-0" twide?
t( tA= tW tx tL t)
40 tSq.FT t- t✔✔what tis tthe tsq. tfootage tof tthe tsurface tarea tof ta tsteel tplate tmeasuring
t120 tin. tlong tby t48 tin. twide?
119'-3 t1/2" t- t✔✔A t14" tSCH tcarbon tsteel tpipe tis tbeing tinstalled tin ta tpipe track. tThe
tcenter tline televation tof tthe tpipe twill tbe t120' t-3 t1/2". twhat twill tthe tbottom tof tpipe
televation tbe?
4.67 tft t- t✔✔The tdecimal tof t56in. tis
401.1 t- t✔✔A ttank tholding t3,000 tGal. tof twater tcontains tof tmany tcu.ft. tof twater? t( tone
tGal. tequals t0.1337 tcu. tft)
.25 t- t✔✔How tmuch tis t3" tin thundredths tof ta tfoot?
, Use ttwo trigging tsling tthat tare tdouble twrapped tand tchocked tone tchocker tis tplaced
tabout t5ft tfrom teach tend tof tthe tbundle t- t✔✔which tof tthe tfollowing tmethods tcould tbe
tused tto trig ta t20 tfoot tlong tbundle tof tsix trebar trods tthat twill tbe tpick tup tby ta tsmall
tcrane?
three tfeet t- t✔✔ladders tuse twith tscaffolding tmust textend tabove tthe tlanding tfrom ta
tminimum tdistance tof
Machine tBolt t- t✔✔What tcan tbe tused tfor ta tshackle tpin tas tlong tas tthe tthread tpatterns
tmatch?
vertical tlifting t- t✔✔Chain thoist tare tprimarily tdesigned tfor
use ta tdouble twrap ton tthe tchocker tto tprevent tthe tchocker tfrom tsliding ton tthe tpipe t-
t✔✔A tpipe twill tbe tlift twith twire trope tslings. tWhich tof tthe tfollowing ttechniques tshould
tbe tused?
1 t1/16in t- t✔✔What tis tthe tlayout tlength tof ta t1 tin. t3,000 tpound tthreaded ttee?
vertical t- t✔✔A tthree tlegged tpipe tjack tcan tbe tadjusted
tapers t1/16 tin. tper tin. t- t✔✔the tNPT tpipe tthread
three tto tfour tturns t- t✔✔A tpipe thas tbeen tthreaded twith ta trigid t535 tmachine tand tnow
tthe tthreads tare tto tbe tchecked twith ta tfitting. tHow tmany tturns tare tnormally tsufficient
tto tcheck tthe tthreads?
cut tand tthread tpipe ta tmaximum tof t2" tin tdiameter t- t✔✔a tpipe tmachine tis tused tto
4'- t7 t7/15" t- t✔✔A tnew t1 t1/2" tthreaded tline tbeing trun tneeds tto tchange televations
tfrom tthe tcenterline televation tof t101.3' tat tcolumn tL t-6 tto tthe tnew tcenterline televation
tof t96.4' tat tcolumn tL-5. tUse t90 tDegrees, t3,000 tLBs. tThreaded tfittings, tand tcalculate
tthe tthread tengagement twith tthe tpipefitters thandbook. twhat tcut tlength tof t1 t1/2" tpipe
tis tneeded?
nipples t- t✔✔Short tlengths tof tpipe, tthreaded ton tboth tends tand tused tto tmake
tconnections tbetween tfittings t, tare tcalled
every tday t- t✔✔an texcavation tmust tbe tinspected ta tminimum tof
swedge t- t✔✔A tfitting tused tto tjoin tfemale tends tof tthreaded tpipe tof tdifferent tsizes tis
treferred tto tas ta
a tsump tpump t- t✔✔A tpump tthat tcan tbe tsubmerged tinto ta tliquid tin torder tto tremove
tthat tliquid tis tcalled
