CE 337 LAB FINAL EXAM QUESTIONS AND CORRECT
ANSWERS
Theoretical Maximum specific Gravity of the asphalt mixture does not change with
change in asphalt - Answers - false
Decreasing the asphalt content decreases the amount of air voids - Answers - false
As the temperature decreases, the viscosity of a binder decreases - Answers - false
the theoretical maximum specific gravity of a HMA mixture is the specific gravity
including the air voids. - Answers - false
the number of blows on each side of a marshall sample depends on the anticipated
weather conditions - Answers - false
the bulk specific gravity of an aggregate is always greater than or equal to its effective
specific gravity. - Answers - false
if asphalt sample A has a higher penetration value than asphalt sample B, then it is said
that sample A is more viscous than sample B - Answers - false
Dynamic Shear Modulus abs(G*) test is performed for an asphalt mixture - Answers -
false
- used to characterize the viscous and elastic behavior of asphalt binders at medium to
high temperatures. This characterization is used in the Superpave PG asphalt binder
specification.
- The DSR measures a specimen's complex shear modulus (G*) and phase angle (δ).
The complex shear modulus (G*) can be considered the sample's total resistance to
deformation when repeatedly sheared, while the phase angle (δ), is the lag between the
applied shear stress and the resulting shear strain (Figure 5).
What is the grain size distribution in which the aggregate contains every size fraction
between the maximum and minimum particle sizes? - Answers - Dense Graded
What is the grain size distribution in which the aggregate contains only one size
fraction? - Answers - Uniform graded
the fineness modulus of an aggregate sample can be determined by summing the
percent passing of each sieve size and dividing by 100. - Answers - false
ANSWERS
Theoretical Maximum specific Gravity of the asphalt mixture does not change with
change in asphalt - Answers - false
Decreasing the asphalt content decreases the amount of air voids - Answers - false
As the temperature decreases, the viscosity of a binder decreases - Answers - false
the theoretical maximum specific gravity of a HMA mixture is the specific gravity
including the air voids. - Answers - false
the number of blows on each side of a marshall sample depends on the anticipated
weather conditions - Answers - false
the bulk specific gravity of an aggregate is always greater than or equal to its effective
specific gravity. - Answers - false
if asphalt sample A has a higher penetration value than asphalt sample B, then it is said
that sample A is more viscous than sample B - Answers - false
Dynamic Shear Modulus abs(G*) test is performed for an asphalt mixture - Answers -
false
- used to characterize the viscous and elastic behavior of asphalt binders at medium to
high temperatures. This characterization is used in the Superpave PG asphalt binder
specification.
- The DSR measures a specimen's complex shear modulus (G*) and phase angle (δ).
The complex shear modulus (G*) can be considered the sample's total resistance to
deformation when repeatedly sheared, while the phase angle (δ), is the lag between the
applied shear stress and the resulting shear strain (Figure 5).
What is the grain size distribution in which the aggregate contains every size fraction
between the maximum and minimum particle sizes? - Answers - Dense Graded
What is the grain size distribution in which the aggregate contains only one size
fraction? - Answers - Uniform graded
the fineness modulus of an aggregate sample can be determined by summing the
percent passing of each sieve size and dividing by 100. - Answers - false
