WAQTC: ASPHALT 2 EXAM WITH
CORRECT ANSWERS
What lare lthe ltwo lprimary lingredients lin lasphalt lmixtures? l- lcorrect lanswers l-
Aggregate l& lasphalt lbinder
HMA l- lcorrect lanswers l-Hot lMix lAsphalt
WMA l- lcorrect lanswers l-Warm lMix lAsphalt
3 lTypes lof lAsphalt lMixtures? l- lcorrect lanswers l-Dense-graded
Open-graded
Gap-graded
What's lincluded lin lthe ltotal lvolume lof lan lasphalt lmix? l- lcorrect lanswers l-Entrapped
lair lvoids
Moisture
Effective l& labsorbed lbinder
Mineral laggregate
, Air lVoids l(Va) l- lcorrect lanswers l-Total lvolume lof lsmall lair lpockets lbetween lcoated
laggregate
SMA l- lcorrect lanswers l-Stone lmatrix lasphalt
Cutback lAsphalt l- lcorrect lanswers l-Binder lthat's lbeen lmodified lby lblending lw/a
lchemical lsolvent
Gmm l- lcorrect lanswers l-Theoretical lmaximum lspecific lgravity
Gmb l- lcorrect lanswers l-Measured lbulk lspecific lgravity
Gsb l- lcorrect lanswers l-Oven-dry lbulk lspecific lgravity lof laggregate
Gsa l- lcorrect lanswers l-Apparent lspecific lgravity lof laggregate
Gse l- lcorrect lanswers l-Effective lspecific lgravity
Gb l- lcorrect lanswers l-Specific lgravity lof lthe lasphalt lbinder
Containers lused lfor lsampling l- lcorrect lanswers l-Cardboard lboxes, lmetal lcans,
lstainless lsteel lbowls, lor lother lagency lapproved lcontainers
Specs lfor lsampling lplate l- lcorrect lanswers l-Thick lmetal, lminimum l8 lgauge, lwire
lattached lto lcorner llong lenough lto lreach lfrom lthe lcenter lof lthe lpaver lto lthe lfarthest
lauger lextension. lMin lone l0.25 lin. lhole lin lthe lcorner lof lthe lplate
What lis la lMechanical lSampling lDevice l- lcorrect lanswers l-Permanently lattached
ldevice lthat lallows lsampling lreceptacle lto lpass lthrough lthe lentire lstream lof lmaterial
lor ldiverts lmaterial linto lthe lcontainer lby lmanual, lhydraulic, lor lpneumatic loperation
Release lagent l- lcorrect lanswers l-Non-stick lproduct lthat lprevents lmix lfrom lsticking lto
lthe lapparatus l(no lsolvents lor lpetroleum lbased lproducts)
How ldo lyou ldetermine lsample lsize l- lcorrect lanswers l-Depends lon ltest lmethods
lspecified. lCheck lagency lrequirement lfor lsize lrequired.
Explain lthe lprocedure lfor lattached lsampling ldevices l- lcorrect lanswers l--Coat lor lpre-
heat lit
-Pass lcontainer lthrough ltwice, lonce lin leach ldirection lperpendicularly lw/out loverfilling
-Transfer lto lsample lcontainer lw/out lloss
-Repeat luntil lsample lsize lis lobtained
-Combine lto lform lfull lsample
Explain lthe lprocedure lfor lsampling lfrom lconveyor lbelts l- lcorrect lanswers l--avoid lthe
lbeginning lor lend
CORRECT ANSWERS
What lare lthe ltwo lprimary lingredients lin lasphalt lmixtures? l- lcorrect lanswers l-
Aggregate l& lasphalt lbinder
HMA l- lcorrect lanswers l-Hot lMix lAsphalt
WMA l- lcorrect lanswers l-Warm lMix lAsphalt
3 lTypes lof lAsphalt lMixtures? l- lcorrect lanswers l-Dense-graded
Open-graded
Gap-graded
What's lincluded lin lthe ltotal lvolume lof lan lasphalt lmix? l- lcorrect lanswers l-Entrapped
lair lvoids
Moisture
Effective l& labsorbed lbinder
Mineral laggregate
, Air lVoids l(Va) l- lcorrect lanswers l-Total lvolume lof lsmall lair lpockets lbetween lcoated
laggregate
SMA l- lcorrect lanswers l-Stone lmatrix lasphalt
Cutback lAsphalt l- lcorrect lanswers l-Binder lthat's lbeen lmodified lby lblending lw/a
lchemical lsolvent
Gmm l- lcorrect lanswers l-Theoretical lmaximum lspecific lgravity
Gmb l- lcorrect lanswers l-Measured lbulk lspecific lgravity
Gsb l- lcorrect lanswers l-Oven-dry lbulk lspecific lgravity lof laggregate
Gsa l- lcorrect lanswers l-Apparent lspecific lgravity lof laggregate
Gse l- lcorrect lanswers l-Effective lspecific lgravity
Gb l- lcorrect lanswers l-Specific lgravity lof lthe lasphalt lbinder
Containers lused lfor lsampling l- lcorrect lanswers l-Cardboard lboxes, lmetal lcans,
lstainless lsteel lbowls, lor lother lagency lapproved lcontainers
Specs lfor lsampling lplate l- lcorrect lanswers l-Thick lmetal, lminimum l8 lgauge, lwire
lattached lto lcorner llong lenough lto lreach lfrom lthe lcenter lof lthe lpaver lto lthe lfarthest
lauger lextension. lMin lone l0.25 lin. lhole lin lthe lcorner lof lthe lplate
What lis la lMechanical lSampling lDevice l- lcorrect lanswers l-Permanently lattached
ldevice lthat lallows lsampling lreceptacle lto lpass lthrough lthe lentire lstream lof lmaterial
lor ldiverts lmaterial linto lthe lcontainer lby lmanual, lhydraulic, lor lpneumatic loperation
Release lagent l- lcorrect lanswers l-Non-stick lproduct lthat lprevents lmix lfrom lsticking lto
lthe lapparatus l(no lsolvents lor lpetroleum lbased lproducts)
How ldo lyou ldetermine lsample lsize l- lcorrect lanswers l-Depends lon ltest lmethods
lspecified. lCheck lagency lrequirement lfor lsize lrequired.
Explain lthe lprocedure lfor lattached lsampling ldevices l- lcorrect lanswers l--Coat lor lpre-
heat lit
-Pass lcontainer lthrough ltwice, lonce lin leach ldirection lperpendicularly lw/out loverfilling
-Transfer lto lsample lcontainer lw/out lloss
-Repeat luntil lsample lsize lis lobtained
-Combine lto lform lfull lsample
Explain lthe lprocedure lfor lsampling lfrom lconveyor lbelts l- lcorrect lanswers l--avoid lthe
lbeginning lor lend
