CE Materials - Exam 4 Questions with
Correct Answers
Which of the following bituminous materials does not occur naturally? - ANSWERSTar
The results of Flash Point tests are reported in - ANSWERSDegrees Celsius
The results of Saybolt Furol Viscosity test are reported in - ANSWERSSeconds
A Rapid Curing Cutback asphalt is made by using which of the following solvents? -
ANSWERSGasoline
A Rapid-Setting asphalt emulsion must pass which of the following tests? -
ANSWERSDemulsibility Test
The purpose of Rolling Thing Film Oven Tests (RTFOT) is - ANSWERSTo stimulate the
effect of heating and mixing on an asphalt in an asphalt mixing plant
The purpose of the Pressure Aging Vessel procedure is - ANSWERSTo stimulate the
aging of asphalt after 3-5 years in service
Which of the following statements is true concerning the meaning of the test results
from Dynamic Shear Rheometer test? - ANSWERSA high G*/sind value at high service
temperature means high resistance to rutting
Which of the following statements is true concerning the meaning of the test results
from the Bending Beam Rheometer test at low service temperature? - ANSWERSIs is
desirable to have a low S value and a high m value
What does PG70-22 asphalt mean? - ANSWERSIt can be used in a pavement with a
maximum temperature of 70 degrees C and a minimum temperature of -22 degrees C
Which one of the following statements is NOT true concerning the differences between
asphalt and tar? - ANSWERSAsphalt molecules are more aromatic while tar molecules
are more aliphatic in structure
What two tests are usually run to determine the Penetration Index of an asphalt
cement? - ANSWERSPenetration & ring-and-ball softening point tests
An AC-20 has a viscosity at 60 degrees C of - ANSWERS1600-2400 Poises
, The RTFOT residue of an AR-4000 has a viscosity at 60 degrees C of -
ANSWERS3000-5000 Poises
The solvent used in a MC cutback asphalt is - ANSWERSkerosine
A slow setting asphalt emulsion should be able to pass which test? - ANSWERSCement
Mixing
The most suitable type of asphalt emulsions for use in a penetration macadam
construction is - ANSWERSRS
The most suitable type of emulsion for use in a fog seal is - ANSWERSSS
The most suitable type of asphalt emulsion for use in an open-grade cold mix is -
ANSWERSMS
Which one of the following is a necessary component in an asphalt batch plant, but not
in a drum-mix plant? - ANSWERSHot aggregate bins
Which one of the following is a necessary component in a drum-mix plant, but not in a
batch plant? - ANSWERSSurge silo
Which one of the following rollers is not commonly used for compaction of asphalt
mixtures? - ANSWERSSheep-foot roller
Which one of the following rollers is most commonly used for finish rolling of asphalt
mixtures? - ANSWERSVibratory roller
Which one of the following is not a commonly used dust control system in hot-mix
plants? - ANSWERSFine sieve screens
Which of the following descriptions is NOT TRUE concerning the definition of "bitumen"
in the US? - ANSWERSIt is soluble in carbon disulfide
Which of the following statements is NOT TRUE concerning the differences between
asphalt and tar? - ANSWERSAsphalt is more temperature sensitive than tar
The Tag Open Cup Test can be used to determine the flash point temperature of which
asphalt? - ANSWERSRC cutback asphalt
The Penetration Index of an asphalt is a measure of what property of asphalt? -
ANSWERSTemperature sensitivity
Which of the following is the correct description of the property of an AR-8000 asphalt
cement? - ANSWERSThe absolute viscosity of the RTFOT residue at 60 degrees C is
8000 Poises +- 25%
Correct Answers
Which of the following bituminous materials does not occur naturally? - ANSWERSTar
The results of Flash Point tests are reported in - ANSWERSDegrees Celsius
The results of Saybolt Furol Viscosity test are reported in - ANSWERSSeconds
A Rapid Curing Cutback asphalt is made by using which of the following solvents? -
ANSWERSGasoline
A Rapid-Setting asphalt emulsion must pass which of the following tests? -
ANSWERSDemulsibility Test
The purpose of Rolling Thing Film Oven Tests (RTFOT) is - ANSWERSTo stimulate the
effect of heating and mixing on an asphalt in an asphalt mixing plant
The purpose of the Pressure Aging Vessel procedure is - ANSWERSTo stimulate the
aging of asphalt after 3-5 years in service
Which of the following statements is true concerning the meaning of the test results
from Dynamic Shear Rheometer test? - ANSWERSA high G*/sind value at high service
temperature means high resistance to rutting
Which of the following statements is true concerning the meaning of the test results
from the Bending Beam Rheometer test at low service temperature? - ANSWERSIs is
desirable to have a low S value and a high m value
What does PG70-22 asphalt mean? - ANSWERSIt can be used in a pavement with a
maximum temperature of 70 degrees C and a minimum temperature of -22 degrees C
Which one of the following statements is NOT true concerning the differences between
asphalt and tar? - ANSWERSAsphalt molecules are more aromatic while tar molecules
are more aliphatic in structure
What two tests are usually run to determine the Penetration Index of an asphalt
cement? - ANSWERSPenetration & ring-and-ball softening point tests
An AC-20 has a viscosity at 60 degrees C of - ANSWERS1600-2400 Poises
, The RTFOT residue of an AR-4000 has a viscosity at 60 degrees C of -
ANSWERS3000-5000 Poises
The solvent used in a MC cutback asphalt is - ANSWERSkerosine
A slow setting asphalt emulsion should be able to pass which test? - ANSWERSCement
Mixing
The most suitable type of asphalt emulsions for use in a penetration macadam
construction is - ANSWERSRS
The most suitable type of emulsion for use in a fog seal is - ANSWERSSS
The most suitable type of asphalt emulsion for use in an open-grade cold mix is -
ANSWERSMS
Which one of the following is a necessary component in an asphalt batch plant, but not
in a drum-mix plant? - ANSWERSHot aggregate bins
Which one of the following is a necessary component in a drum-mix plant, but not in a
batch plant? - ANSWERSSurge silo
Which one of the following rollers is not commonly used for compaction of asphalt
mixtures? - ANSWERSSheep-foot roller
Which one of the following rollers is most commonly used for finish rolling of asphalt
mixtures? - ANSWERSVibratory roller
Which one of the following is not a commonly used dust control system in hot-mix
plants? - ANSWERSFine sieve screens
Which of the following descriptions is NOT TRUE concerning the definition of "bitumen"
in the US? - ANSWERSIt is soluble in carbon disulfide
Which of the following statements is NOT TRUE concerning the differences between
asphalt and tar? - ANSWERSAsphalt is more temperature sensitive than tar
The Tag Open Cup Test can be used to determine the flash point temperature of which
asphalt? - ANSWERSRC cutback asphalt
The Penetration Index of an asphalt is a measure of what property of asphalt? -
ANSWERSTemperature sensitivity
Which of the following is the correct description of the property of an AR-8000 asphalt
cement? - ANSWERSThe absolute viscosity of the RTFOT residue at 60 degrees C is
8000 Poises +- 25%
