ASPHALT EXAM QUESTIONS AND
CORRECT ANSWERS COMPLETE TEST
PAPER
●● What are some advantages of Asphalt
Answer: Cheap, Quick to reopen, smooth ride, Quieter
●● What are some disdavatanges of Asphalt
Answer: Stinks, Heat island, rutting, cracking, Shorter lifespan
●● What are two things that are labled as asphalt
Answer: 1) asphalt binder
2)Asphalt binder + rock( Asphalt concrete)
●● What is Tar?
Answer: Tar is a butimounus , used for waterproofing roads
●● What are sources of asphalt.
Answer: petroleum distillation
A co- product of turning oil into gasoline.
,●● What is true about asphalt companies
Answer: They are oil companies
●● What are some natural deposits of asphalt
Answer: Iraq, Trinidad have lakes of asphalt.
●● is asphalt visco-elastic?
Answer: Yes , has properties of a fluid & and elastic solid
●● is asphalt tempature dependent, if so how does it behave in warm
tempatures and cold tempatures?
Answer: Yes, asphlalt is tempature dependent
Low temps causes it to behave more solidly
High temps cause it to behave more liquidly
●● What is a solid failure mechanism of asphalt
Answer: cracking
●● liquid failure mechanism
, Answer: rutting (squishing)
●● Why do we do asphalt binder selection
Answer: To get a proper balance of cracking and rutting.
*remember* Rutting is worse then cracking
●● How does rutting occur
Answer: Rutting is caused by hot temperatures and occurs overtime
●● How does cracking occur
Answer: Cracking is a single instance, induced by colder temperatures.
●● whats a common asphalt grade in Minnesota
Answer: 58-34
●● What is the Rule of 90 ?
Answer: To get a tempature range greater then 90 , you need polymer
modification (admixtures)
●● How reliable is the chart for asphalt?
Answer: 50% reliable
CORRECT ANSWERS COMPLETE TEST
PAPER
●● What are some advantages of Asphalt
Answer: Cheap, Quick to reopen, smooth ride, Quieter
●● What are some disdavatanges of Asphalt
Answer: Stinks, Heat island, rutting, cracking, Shorter lifespan
●● What are two things that are labled as asphalt
Answer: 1) asphalt binder
2)Asphalt binder + rock( Asphalt concrete)
●● What is Tar?
Answer: Tar is a butimounus , used for waterproofing roads
●● What are sources of asphalt.
Answer: petroleum distillation
A co- product of turning oil into gasoline.
,●● What is true about asphalt companies
Answer: They are oil companies
●● What are some natural deposits of asphalt
Answer: Iraq, Trinidad have lakes of asphalt.
●● is asphalt visco-elastic?
Answer: Yes , has properties of a fluid & and elastic solid
●● is asphalt tempature dependent, if so how does it behave in warm
tempatures and cold tempatures?
Answer: Yes, asphlalt is tempature dependent
Low temps causes it to behave more solidly
High temps cause it to behave more liquidly
●● What is a solid failure mechanism of asphalt
Answer: cracking
●● liquid failure mechanism
, Answer: rutting (squishing)
●● Why do we do asphalt binder selection
Answer: To get a proper balance of cracking and rutting.
*remember* Rutting is worse then cracking
●● How does rutting occur
Answer: Rutting is caused by hot temperatures and occurs overtime
●● How does cracking occur
Answer: Cracking is a single instance, induced by colder temperatures.
●● whats a common asphalt grade in Minnesota
Answer: 58-34
●● What is the Rule of 90 ?
Answer: To get a tempature range greater then 90 , you need polymer
modification (admixtures)
●● How reliable is the chart for asphalt?
Answer: 50% reliable
