100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.6 TrustPilot
logo-home
Exam (elaborations)

Asphalt-concrete Exam Questions With Correct Answers.

Rating
-
Sold
-
Pages
31
Grade
A+
Uploaded on
14-01-2025
Written in
2024/2025

Asphalt-concrete Exam Questions With Correct Answers. A mechanical device on an asphalt batch plant, consisting of paddles attached to rotating shafts, for mixing aggregates and asphalt cement. Select one: a. Hot oil heater b. Pug mill c. Weigh hopper d. Intake Hopper - Answerpug mill The top or riding surface of a pavement structure. Select one: a. Surface course b. Lift (mat) c. Leveling course d. Binder Course - Answersurface course The process of shaping the concrete surface to correct elevation by striking off the excess concrete. Select one: a. Contraction Joints b. Penetration Test (AASHTO) c. Screeding d. Breakdown - Answerscreeding Are a blend of asphalt cement and a fuel product. ©BRIGHSTARS 2024/2025 ALL RIGHTS RESERVED. 2 | P a g e Select one: a. Hot-mix Asphalt b. Windrow c. Asphalt Cutbacks d. Flexible Pavement - Answerasphalt cutbacks Where the paving machine rides on steel forms that are set to the proper line and grade for the finished slab. Select one: a. Nipped b. Breakdown c. Formed d. Frequency - Answerformed In concrete, the chemical reaction between cement and water. The features of this reaction are a change in matter, in energy level, and in rate of reaction. Select one: a. Hydration b. Expansion Joints c. Dwell Time d. Hveem - Answerhydration By remixing the asphalt concrete, reduced thermal segregation creates uniform stiffness that allows for rougher pavement construction. Select one: True False - Answerfalse. By remixing the asphalt concrete, reduced thermal segregation creates uniform stiffness that allows for SMOOTHER pavement construction Smaller commercial aggregate plants are the ma

Show more Read less
Institution
Asphalt
Course
Asphalt

Content preview

©BRIGHSTARS 2024/2025 ALL RIGHTS RESERVED.




Asphalt-concrete Exam Questions With
Correct Answers.


A mechanical device on an asphalt batch plant, consisting of paddles attached to rotating shafts,
for mixing aggregates and asphalt cement.
Select one:
a. Hot oil heater
b. Pug mill
c. Weigh hopper

d. Intake Hopper - Answer✔pug mill
The top or riding surface of a pavement structure.
Select one:
a. Surface course
b. Lift (mat)
c. Leveling course

d. Binder Course - Answer✔surface course
The process of shaping the concrete surface to correct elevation by striking off the excess
concrete.
Select one:
a. Contraction Joints
b. Penetration Test (AASHTO)
c. Screeding

d. Breakdown - Answer✔screeding
Are a blend of asphalt cement and a fuel product.
1|Page

, ©BRIGHSTARS 2024/2025 ALL RIGHTS RESERVED.

Select one:
a. Hot-mix Asphalt
b. Windrow
c. Asphalt Cutbacks

d. Flexible Pavement - Answer✔asphalt cutbacks
Where the paving machine rides on steel forms that are set to the proper line and grade for the
finished slab.
Select one:
a. Nipped
b. Breakdown
c. Formed

d. Frequency - Answer✔formed
In concrete, the chemical reaction between cement and water. The features of this reaction are a
change in matter, in energy level, and in rate of reaction.
Select one:
a. Hydration
b. Expansion Joints
c. Dwell Time

d. Hveem - Answer✔hydration
By remixing the asphalt concrete, reduced thermal segregation creates uniform stiffness that
allows for rougher pavement construction.


Select one:
True

False - Answer✔false.
By remixing the asphalt concrete, reduced thermal segregation creates uniform stiffness that
allows for SMOOTHER pavement construction
Smaller commercial aggregate plants are the major source of crushed stone for the construction
industry in metropolitan areas.


2|Page

, ©BRIGHSTARS 2024/2025 ALL RIGHTS RESERVED.

Select one:
True

False - Answer✔false.
LARGER commercial aggregate plants are the major source of crushed stone for the
construction industry in the metropolitan areas.
Properly vibrated concrete is a lower-quality concrete, in terms of strength, reinforcement
protection, resistance to aggressive agents, and overall appearance.


Select one:
True

False - Answer✔false.
higher quality
Increasing roller speed increases compactive effort.


Select one:
True

False - Answer✔false.
Increasing roller speed REDUCES compactive effort.
The pavement performance would not suffer if asphalt concrete is made from a segregated
stockpile.


Select one:
True

False - Answer✔false.
The pavement performance would WOULD suffer if asphalt concrete is made from a segregated
stockpile.
A batch plant mixes 15 tons of asphalt mix with an average mixing cycle of 2.5 min. Plant
efficiency is 90%. Estimate plant production in ton/hr. - Answer✔324
2.5 min. x 60 = 150 seconds. 3600 s./150= 24. 24x15 tons= 360. 360 x .90 accuracy =324


3|Page

, ©BRIGHSTARS 2024/2025 ALL RIGHTS RESERVED.

A specification requires a residual application rate of 0.045 gal/sy. The distributor spray bar
coverage is 8 ft. Estimate the gallons of emulsion needed for a 16 ft wide 1,200 ft stretch of
paving.
Select one:
a. 96 gallons
b. 45 gallons
c. 50 gallons

d. 33 gallons - Answer✔96 gallons
A= 16x1200= 19200
.045/9= .005
19200x.005= 96
A concrete batch plant has a batching chamber capacity of 11 cy and an average batching cycle
time of 2 min. Plant efficiency is 80%. What is the estimated batching production in cy/hr? -
Answer✔264.
60/2=30
30*11=330
330*.80=264
A mechanical pickup device that travels ahead of an asphalt paver and lifts windrowed asphalt
mix material into the hopper of a paver. This allows for continuous paver operation. Windrow
elevators are usually attached to the paver.
Select one:
a. Intake Hopper
b. Flights
c. Hot elevator

d. Windrow elevator - Answer✔windrow elevator
In this test, an asphalt sample at a temperature of 77°F, is subjected to a needle load, with a 100-
g mass and a test time of 5 sec.
Select one:
a. Job Mix Formula (JMF)
b. Revibration


4|Page

Written for

Institution
Asphalt
Course
Asphalt

Document information

Uploaded on
January 14, 2025
Number of pages
31
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

Get to know the seller

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
Brightstars Havard School
View profile
Follow You need to be logged in order to follow users or courses
Sold
202
Member since
1 year
Number of followers
7
Documents
12554
Last sold
10 hours ago
VERIFIED EXAMS AND STUDY GUIDES.

Here, you will find Study Notes, Exam answer packs 100% Guarenteed success.

3.3

31 reviews

5
10
4
4
3
8
2
3
1
6

Recently viewed by you

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions