Asphalt Exam Q’s and
A’s
asphalt is produced by - -fractional distillation of petroleum crude
- the typical value of the air voids percentage in Marshall mix Is - -4%
- for asphalt type PG 64-22, what does PG stand for - -performance grade
- a mixture of asphalt and water with a ratio of 40:60 is called - -emulsion
- if the bulk specific gravity of the Marshall mix is 2.457 and its theoretical
maximum specific gravity is 2.598, then VTM is equal to - -5.4%
- at high temps, ________ is the most common distress noticed in asphalt
pavement - -rutting
- as the temp increases, viscosity of asphalt _______ - -decreases
- asphalt is soluble in _____- - -benzene
- _________________ grading is used in the mix design of superpose - -
performance
- the ________ is used to simulate short term aging that occurs in asphalt
during the production of asphalt concrete - -rolling thin film oven test
- if the stiffness of asphalt in a mix is significantly lower than optimal range,
this probably causes: - -rutting
- which of the following PG asphalts would not be suitable for an area that
has a max pavement temp of 58C and a min pavement temp of -22C - -PG
58-16
- a typical value for asphalt content in a hot mix asphalt is - -5% by weight
or 20% by volume
- the measurement unit of Marshall stability of asphalt is - -ib ?
- ______________ aggregate has a negative effect on asphalt concrete mix
stability - -round
A’s
asphalt is produced by - -fractional distillation of petroleum crude
- the typical value of the air voids percentage in Marshall mix Is - -4%
- for asphalt type PG 64-22, what does PG stand for - -performance grade
- a mixture of asphalt and water with a ratio of 40:60 is called - -emulsion
- if the bulk specific gravity of the Marshall mix is 2.457 and its theoretical
maximum specific gravity is 2.598, then VTM is equal to - -5.4%
- at high temps, ________ is the most common distress noticed in asphalt
pavement - -rutting
- as the temp increases, viscosity of asphalt _______ - -decreases
- asphalt is soluble in _____- - -benzene
- _________________ grading is used in the mix design of superpose - -
performance
- the ________ is used to simulate short term aging that occurs in asphalt
during the production of asphalt concrete - -rolling thin film oven test
- if the stiffness of asphalt in a mix is significantly lower than optimal range,
this probably causes: - -rutting
- which of the following PG asphalts would not be suitable for an area that
has a max pavement temp of 58C and a min pavement temp of -22C - -PG
58-16
- a typical value for asphalt content in a hot mix asphalt is - -5% by weight
or 20% by volume
- the measurement unit of Marshall stability of asphalt is - -ib ?
- ______________ aggregate has a negative effect on asphalt concrete mix
stability - -round
