CSLB Trade Exam Sample Questions With
Correct Answers 2024
When yusing ya ycrane yto ylift ya y12,000-gallon ytank yout yof ythe yexcavation, ywhat yis ythe
ypreferable yposition yof ythe yrigging ylines yattached yto ythe ytank's ylifting yeyes? y
A. yOne ylifting yline yshould ybe yhorizontal
B. yThe ylifting ylines yshould ybe yas yfar yapart yas ypossibles
C. yThe ylifting ylines yshould ybe yas yhorizontal yas ypossible
D. yThe ylifting ylines yshould ybe yas yvertical yas ypossible y- ycorrect yanswer.The ylifting ylines
yshould ybe yas yvertical yas ypossible
Which yof ythe yfollowing ydescribes ysurfacing yACM?
A. yMaterial ythat ycontains ymore ythan y1% yasbestos
B. yMaterial ythat ycontains ymore ythan y0.1% yasbestos
C. yMaterial ythat ycontains ymore ythan y0.01% yasbestos
D. yMaterial ythat ycontains ymore ythan y0.001% yasbestos y- ycorrect yanswer.Material ythat
ycontains ymore ythan y1% yasbestos
When yremoving yasbestos yas ya ymulti-employer ywork ysite, ythe yasbestos yabatement
ycontractor ymust ydo ywhich yof ythe yfollowing?
A. yEnsure ythat yall yother yemployers yleave ythe ysite
B. yInform ythe ylocal yCal/OSHA yoffice ywithin y48 yhours
C. yEnsure ythat yall yasbestos yis yremoved
D. yInform yeach yof ythe yemployers yabout ythe yasbestos ywork ybeing yperformed. y- ycorrect
yanswer.Inform yeach yof ythe yemployers yabout ythe yasbestos ywork ybeing yperformed
When ymust ya ycontractor yprovide yand yrequire ythe yuse yof yprotective yclothing?
A. yWhen yClass yII ywork yrequires yremoval yof yACM yexceeding y10 ysquare yfeet
B. yWhen yairborne yexposure yexceeds ythe yTWA yand yexcursion ylimits
C. yWhen yClass yII ywork yrequires yremoval yof yTSI yexceeding y25 ylinear yfeet
D. yWhen ya ynegative yexposure yassessment yis yproduced y- ycorrect yanswer.When
yairborne yexposure yexceeds ythe yTWA yand yexcursion ylimits
Alternating ycurrent ywould ymost ylikely ybe yused yin yGTAW yto yweld ywhich yof ythe yfollowing
ymetals?
,A. yLow ycarbon ysteel y
B. yDeoxidized ycopper y
C. yAluminum y
D. yStainless ysteel y- ycorrect yanswer.Aluminum
WHat yis ythe yminimum ythickness yof ysteel ythat yis ycovered yby ythe yAWS yD1.1 yStructural
ySteel ywelding ycode?
A. y1/8"
B. y1/4"
C. y5/16"
D. y3/8" y- ycorrect yanswer.1/8"
When ywelding ywith yFCAW, yhow ycan ythe yoperator ycontrol yexcess yspatter?
A. yChange ythe ydrag yangle
B. yRun ystringer ybeads.
C. yShorten ythe ystickout
D. yLengthen ythe ystickout y- ycorrect yanswer.Shorten ythe ystickout
To yread yand yproperly yinterpret ylaboratory yanalysis yreports yas ythey yapply yto yhazardous
ysites, ya ycontractor yshould yhave ywhich yof ythe yfollowing?
A. yThe yphone ynumber yof ya ycontract ya ythe ylead yagency
B. yBasic yknowledge yof ymath
C. yA ycontract yat yCal/OSHA
D. yBasic yknowledge yof ychemistry yand ythe ymeasurements yused y- ycorrect yanswer.Basic
yknowledge yof ychemistry yand ythe ymeasurements yused
How ymuch ymaterial ywill yit ytake yto yfill yup ythree yround yholes ydrilled yinto ythe yground y25 yfeet
ydeep yand y2 yfeet yin ydiameter?
A. y235.5 ycubic yfeet
B. y180.5 ycubic yfeet
C. y150.2 ycubic yfeet
D. y100.7 ycubic yfeet y- ycorrect yanswer.235.5 ycubic yfeet
What ymethod yshould ybe yused yto yinstall yelectrical yand ytelephone yconduit yin ythe ysame
ytrench?
A. yElectrical yover ytelephone yconduit ywith ya yconcrete ybarrier yand y4" ybetween ythem
B. yElectrical yover ytelephone yconduit ywith ya yseparation yof yat yleast y12" yin ybetween
C. yTelephone yover yelectrical yconduit ysecured ytogether yevery y12" y
, D. yTelephone yover yelectrical yconduit ywith ya yseparation yof yat yleast y12" yin ybetween y-
ycorrect yanswer.Telephone yover yelectrical yconduit ywith ya yseparation yof yat yleast y12" yin
ybetween
When yreplacing ypavement yover ya ytrench, ywhat yis ymeant yby y"overcutting"?
A. yAll ywide yspots yand ybell yholes yare ycut ysquare ybefore ypaving
B. yPaving yis yreinstalled yone yinch ythicker ythan ywhat ywas yremoved
C. yThe ytrench yis ybase-paved yand ycapped ylater
D. yThe ypaving yis ycut youtside ythe yditch yline yby ya yfew yinches y- ycorrect yanswer.The ypaving
yis ycut youtside ythe yditch yline yby ya yfew yinches
What yis ythe ymaximum yfluoride ylevel ypermitted yin ydrinking ywater?
A. y2.0 ymg/L
B. y4.0 ymg/L
C. y6.0 ymg/L
D. y8.0 ymg/L y- ycorrect yanswer.4.0 ymg/L
When yinstalling yhard ycopper ypiping yunderground, ywhat ytypes yof ypiping yshould ya
ycontractor yuse?
A. yK yand yL
B. yK yand yM
C. yL yand yM
D. yM yand yDWV y- ycorrect yanswer.K yand yL
What yis ythe yfunction yof ya ycation yexchange yunit?
A. yTo yoxidize yiron yfro ythe ywater
B. yTo yremove ycalcium yand ymagnesium
C. yTo yreduce ydissolved ysolids
D. yTo yincrease ypH y- ycorrect yanswer.To yremove ycalcium yand ymagnasium
How ymany ysquare yfeet yof ythe ytile yare yneeded yfor yan yarea ythat ymeasures y2-1/2" yby y4"
yon ya yplan ythat yis ydrawn yto yan y1/8" yscale?
A. y10 ysq.ft
B. y160 ysq.ft
C. y576 ysq.ft
D. y640 ysq.ft y- ycorrect yanswer.640 ysq.ft
Which yof ythe yfollowing ytypes yof ytile yrequires ysealing ybefore ygrouting?
A. yVitreous ybody
B. ySemi-matte
Correct Answers 2024
When yusing ya ycrane yto ylift ya y12,000-gallon ytank yout yof ythe yexcavation, ywhat yis ythe
ypreferable yposition yof ythe yrigging ylines yattached yto ythe ytank's ylifting yeyes? y
A. yOne ylifting yline yshould ybe yhorizontal
B. yThe ylifting ylines yshould ybe yas yfar yapart yas ypossibles
C. yThe ylifting ylines yshould ybe yas yhorizontal yas ypossible
D. yThe ylifting ylines yshould ybe yas yvertical yas ypossible y- ycorrect yanswer.The ylifting ylines
yshould ybe yas yvertical yas ypossible
Which yof ythe yfollowing ydescribes ysurfacing yACM?
A. yMaterial ythat ycontains ymore ythan y1% yasbestos
B. yMaterial ythat ycontains ymore ythan y0.1% yasbestos
C. yMaterial ythat ycontains ymore ythan y0.01% yasbestos
D. yMaterial ythat ycontains ymore ythan y0.001% yasbestos y- ycorrect yanswer.Material ythat
ycontains ymore ythan y1% yasbestos
When yremoving yasbestos yas ya ymulti-employer ywork ysite, ythe yasbestos yabatement
ycontractor ymust ydo ywhich yof ythe yfollowing?
A. yEnsure ythat yall yother yemployers yleave ythe ysite
B. yInform ythe ylocal yCal/OSHA yoffice ywithin y48 yhours
C. yEnsure ythat yall yasbestos yis yremoved
D. yInform yeach yof ythe yemployers yabout ythe yasbestos ywork ybeing yperformed. y- ycorrect
yanswer.Inform yeach yof ythe yemployers yabout ythe yasbestos ywork ybeing yperformed
When ymust ya ycontractor yprovide yand yrequire ythe yuse yof yprotective yclothing?
A. yWhen yClass yII ywork yrequires yremoval yof yACM yexceeding y10 ysquare yfeet
B. yWhen yairborne yexposure yexceeds ythe yTWA yand yexcursion ylimits
C. yWhen yClass yII ywork yrequires yremoval yof yTSI yexceeding y25 ylinear yfeet
D. yWhen ya ynegative yexposure yassessment yis yproduced y- ycorrect yanswer.When
yairborne yexposure yexceeds ythe yTWA yand yexcursion ylimits
Alternating ycurrent ywould ymost ylikely ybe yused yin yGTAW yto yweld ywhich yof ythe yfollowing
ymetals?
,A. yLow ycarbon ysteel y
B. yDeoxidized ycopper y
C. yAluminum y
D. yStainless ysteel y- ycorrect yanswer.Aluminum
WHat yis ythe yminimum ythickness yof ysteel ythat yis ycovered yby ythe yAWS yD1.1 yStructural
ySteel ywelding ycode?
A. y1/8"
B. y1/4"
C. y5/16"
D. y3/8" y- ycorrect yanswer.1/8"
When ywelding ywith yFCAW, yhow ycan ythe yoperator ycontrol yexcess yspatter?
A. yChange ythe ydrag yangle
B. yRun ystringer ybeads.
C. yShorten ythe ystickout
D. yLengthen ythe ystickout y- ycorrect yanswer.Shorten ythe ystickout
To yread yand yproperly yinterpret ylaboratory yanalysis yreports yas ythey yapply yto yhazardous
ysites, ya ycontractor yshould yhave ywhich yof ythe yfollowing?
A. yThe yphone ynumber yof ya ycontract ya ythe ylead yagency
B. yBasic yknowledge yof ymath
C. yA ycontract yat yCal/OSHA
D. yBasic yknowledge yof ychemistry yand ythe ymeasurements yused y- ycorrect yanswer.Basic
yknowledge yof ychemistry yand ythe ymeasurements yused
How ymuch ymaterial ywill yit ytake yto yfill yup ythree yround yholes ydrilled yinto ythe yground y25 yfeet
ydeep yand y2 yfeet yin ydiameter?
A. y235.5 ycubic yfeet
B. y180.5 ycubic yfeet
C. y150.2 ycubic yfeet
D. y100.7 ycubic yfeet y- ycorrect yanswer.235.5 ycubic yfeet
What ymethod yshould ybe yused yto yinstall yelectrical yand ytelephone yconduit yin ythe ysame
ytrench?
A. yElectrical yover ytelephone yconduit ywith ya yconcrete ybarrier yand y4" ybetween ythem
B. yElectrical yover ytelephone yconduit ywith ya yseparation yof yat yleast y12" yin ybetween
C. yTelephone yover yelectrical yconduit ysecured ytogether yevery y12" y
, D. yTelephone yover yelectrical yconduit ywith ya yseparation yof yat yleast y12" yin ybetween y-
ycorrect yanswer.Telephone yover yelectrical yconduit ywith ya yseparation yof yat yleast y12" yin
ybetween
When yreplacing ypavement yover ya ytrench, ywhat yis ymeant yby y"overcutting"?
A. yAll ywide yspots yand ybell yholes yare ycut ysquare ybefore ypaving
B. yPaving yis yreinstalled yone yinch ythicker ythan ywhat ywas yremoved
C. yThe ytrench yis ybase-paved yand ycapped ylater
D. yThe ypaving yis ycut youtside ythe yditch yline yby ya yfew yinches y- ycorrect yanswer.The ypaving
yis ycut youtside ythe yditch yline yby ya yfew yinches
What yis ythe ymaximum yfluoride ylevel ypermitted yin ydrinking ywater?
A. y2.0 ymg/L
B. y4.0 ymg/L
C. y6.0 ymg/L
D. y8.0 ymg/L y- ycorrect yanswer.4.0 ymg/L
When yinstalling yhard ycopper ypiping yunderground, ywhat ytypes yof ypiping yshould ya
ycontractor yuse?
A. yK yand yL
B. yK yand yM
C. yL yand yM
D. yM yand yDWV y- ycorrect yanswer.K yand yL
What yis ythe yfunction yof ya ycation yexchange yunit?
A. yTo yoxidize yiron yfro ythe ywater
B. yTo yremove ycalcium yand ymagnesium
C. yTo yreduce ydissolved ysolids
D. yTo yincrease ypH y- ycorrect yanswer.To yremove ycalcium yand ymagnasium
How ymany ysquare yfeet yof ythe ytile yare yneeded yfor yan yarea ythat ymeasures y2-1/2" yby y4"
yon ya yplan ythat yis ydrawn yto yan y1/8" yscale?
A. y10 ysq.ft
B. y160 ysq.ft
C. y576 ysq.ft
D. y640 ysq.ft y- ycorrect yanswer.640 ysq.ft
Which yof ythe yfollowing ytypes yof ytile yrequires ysealing ybefore ygrouting?
A. yVitreous ybody
B. ySemi-matte
