Asphalt Exam Questions With Correct
Answers.
Asphalt is a _________________ material- which means it is a _________________ based
material, soluble in ___________ __________________ - Answer✔Bituminous
Hydrocarbon
Carbon Disulfide
Asphalt is produced from _________________ ____ __________ ______ - Answer✔Distillation
of crude oil
Asphalt, like Portland cement & water, is a ___________ - Answer✔Binder
Concrete is the mix of __________ & __________ - Answer✔Binder & aggregate
Asphalt is a constituent of most ________________ - Answer✔Petroleum
__________ ___________ is refined to separate the various fraction & recover the asphalt -
Answer✔Crude petroleum
Asphalt occurs within a __________ ______ called rock asphalt - Answer✔Porous rock (natural
deposits)
Asphalt is actually _____________ __________ - Answer✔Asphaltic Concrete
Concrete is actually ___________ ____________ _____________ - Answer✔Portland Cement
Concrete
Asphalt cement was used for _____________________ in Egypt - Answer✔Mummification
First use of Asphalt in US? - Answer✔1838-Philadelphia
1870- New Jersey
What is fractional distillation? - Answer✔Crude oil is heated up & lighter oils vaporize & are
drawn off; residual material is asphalt cement.
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What is destructive distillation? - Answer✔Crude oil is heated under pressure to a higher
temperature than fractional; remaining material is cracked asphalt.
Asphalt is a ________ to ________ bituminous material (color) - Answer✔Dark to black
Predominant constituent is ______________ - Answer✔Bitumens
Bitumens are _________, __________ & _________ materials that are naturally occurring
organic by-products of decomposed organic materials. - Answer✔Black, oily & viscous
Asphalt is _______ or ____________ (hardness) - Answer✔Solid or semi-solid
Asphalt is soluble in ___________ _______ - Answer✔Petroleum products (gas)
_____ is resistant to petroleum products - Answer✔Tar
Asphalt has a high ___________ content - Answer✔Bitumen
Tar has a ______ bitumen content - Answer✔Low
If distillation is stopped when the residue is liquid it is __________ ___ - Answer✔Residual oil
If distillation is stopped when the residue is solid or semi-solid it is ___________ __________ -
Answer✔Asphalt cement
Air Blown AC is produced by __________ _____ ________ ____ ___________ ____. The AC
is oxidized. - Answer✔Blowing air through the residual oil
The main property change with air blown asphalt is the ___________ _______ -
Answer✔Softening point
The material (Air Blown AC) remains _________ at __________ temperatures than paving
asphalts. - Answer✔Softer at lower
Air Blown AC is not used for paving; it's used for _______,_________ _________ & ________
& _________ ______ - Answer✔Roofing, pipe coating, crack and joint sealer
_________ asphalts are usually less durable & used in base asphalts protected from the weather.
- Answer✔Cracked
Distillation is used to produce fuel, asphalt is _____ _ ____________ - Answer✔Just a by-
product
Blended asphalt is produced from the combination of a _______ & ________ AC -
Answer✔Harder & softer
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