With 49 Questions
_____ is the separation of smaller particles from larger particles and
can cause durability issues in a pavement.
Penetration
Segregation
Permeability
Strength reduction - ✔ ✔ Segregation
Which of the following is not an important characteristic for bituminous
materials (asphalt) for use in the construction industry
strong cement
highly adhesive
non-resistance to salts
none of the listed
waterproof - ✔ ✔ non-resistance to salts
____ is the most expensive component in hot mix asphalt so has to be
closely monitored with testing.
Fine aggregate
Chemical admixtures
Asphalt
, Coarse aggregate - ✔ ✔ Asphalt
Plant mix materials are typically heated to _____ degrees during
production
300
100
400
200 - ✔ ✔ 300
What is the difference between asphalt and tar.
asphalt is soluble in petroleum
all of the listed
asphalt is a byproduct of petroleum distillation
none of the listed
tar is a byproduct of coal products
tar is resistant to petroleum products - ✔ ✔ all of the listed
Asphalt pavement rollers are used to densify the pavement and ensure
a smooth pavement.
True
False - ✔ ✔ True
_________ is typically milled asphalt material and can be
reincorporated in new mixes or used as a base
Recycled concrete aggregate