ACI TEST C138 QUESTIONS WITH
CORRECT ANSWERS 2025
TheAdiameterAofAtheAtampingArodAusedAinAtheAtestAmethodAisA_____.A-ACORRECTAANSWERA-5/8"A±1/16"
WhatAisAtheArequiredAshapeAofAtheAtampingAendAofAtheArodA-ACORRECTAANSWERA-hemisphericalAtip
WhatAisAtheAminimumArequiredAfrequencyAofAtheAvibratorAusedAinAthisAmethod?A-ACORRECTAANSWERA-
150AHz
TheAODAofAtheAvibratingAelementAmustAbeA_____AtoA_____A-ACORRECTAANSWERA-0.75",A1.5"
AAplasticAcontainerAcanAbeAusedAforAtheAmeasureAinAthisAmethod.A(T/F)A-ACORRECTAANSWERA-F
TheAminimumAthicknessAofAaAmetalAstrike-
offAplateAisA_____AandAtheAminimumAthicknessAofAaAglassAorAacrylicAstrike-
offAplateAisA_____.ATheAwidthAmustAbeA_____AgreaterAthanAtheAdiameterAofAtheAmeasure.A-
ACORRECTAANSWERA-1/4",A1/2",A2"
MalletAsizeAforAmeasuresA≤A0.5AcfA=A_____
MalletAsizeAforAmeasuresA>A0.5AcfA=A_____A-ACORRECTAANSWERA-1.25±A0.5Apounds,
2.25A±A0.5Apounds
MeasuresAotherAthanAairAmeterAbowlsAusedAforAthisAtestAmustAconformAtoAASTMA_____.A-
ACORRECTAANSWERA-C29
AirAmeterAbowlsAmustAconformAtoA_____AandAbeAcalibratedAforAvolumeAaccordingAtoA_____A-
ACORRECTAANSWERA-C231,AC29
TheAconcreteAsampleAmustAbeAobtainedAinAaccodanceAwithAwhatAASTMAmethod?A-ACORRECTAANSWERA-
C172
CORRECT ANSWERS 2025
TheAdiameterAofAtheAtampingArodAusedAinAtheAtestAmethodAisA_____.A-ACORRECTAANSWERA-5/8"A±1/16"
WhatAisAtheArequiredAshapeAofAtheAtampingAendAofAtheArodA-ACORRECTAANSWERA-hemisphericalAtip
WhatAisAtheAminimumArequiredAfrequencyAofAtheAvibratorAusedAinAthisAmethod?A-ACORRECTAANSWERA-
150AHz
TheAODAofAtheAvibratingAelementAmustAbeA_____AtoA_____A-ACORRECTAANSWERA-0.75",A1.5"
AAplasticAcontainerAcanAbeAusedAforAtheAmeasureAinAthisAmethod.A(T/F)A-ACORRECTAANSWERA-F
TheAminimumAthicknessAofAaAmetalAstrike-
offAplateAisA_____AandAtheAminimumAthicknessAofAaAglassAorAacrylicAstrike-
offAplateAisA_____.ATheAwidthAmustAbeA_____AgreaterAthanAtheAdiameterAofAtheAmeasure.A-
ACORRECTAANSWERA-1/4",A1/2",A2"
MalletAsizeAforAmeasuresA≤A0.5AcfA=A_____
MalletAsizeAforAmeasuresA>A0.5AcfA=A_____A-ACORRECTAANSWERA-1.25±A0.5Apounds,
2.25A±A0.5Apounds
MeasuresAotherAthanAairAmeterAbowlsAusedAforAthisAtestAmustAconformAtoAASTMA_____.A-
ACORRECTAANSWERA-C29
AirAmeterAbowlsAmustAconformAtoA_____AandAbeAcalibratedAforAvolumeAaccordingAtoA_____A-
ACORRECTAANSWERA-C231,AC29
TheAconcreteAsampleAmustAbeAobtainedAinAaccodanceAwithAwhatAASTMAmethod?A-ACORRECTAANSWERA-
C172