Questions Correctly Answered
The concrete paste usually consists of water-cement ratios between 0.8
and 1.0 by weight.
Select one:
True
False - ✔ ✔ false.
.4 and .7
Curing is one of the least costly operations in the production of quality
concrete.
Select one:
True
False - ✔ ✔ true
A rut-resistant mixture that relies on stone-on-stone contact, coupled
with fiber or polymer-modified asphalt cement, to provide high-
strength, load-carrying capability.
Select one:
a. Binder
,b. Stone matrix asphalt (SMA)
c. Windrow
d. Flexible Pavement - ✔ ✔ stone matrix asphalt
A composite material that is prepared in a hot-mix plant and used for
construction of highway, parking lot, or airfield pavements capable of
supporting high traffic load volumes and axle loads.
Select one:
a. Asphaltic Concrete
b. Stone matrix asphalt (SMA)
c. Binder
d. Flexible Pavement - ✔ ✔ asphaltic concrete
A light application of liquid asphalt, usually emulsified with water,
placed between pavement courses during construction. It is used to
help ensure a bond between the surface and the new mat that is being
placed.
Select one:
a. Surface course
b. Lift (mat)
c. Leveling course
d. Tack coat - ✔ ✔ tack coat
An international organization providing education, certification, and
information about concrete.
,Select one:
a. Dwell Time
b. American Concrete Institute (ACI)
c. Performance Grades of Asphalt Cements
d. Contraction Joints - ✔ ✔ american concrete institute
Higher ambient air temperatures allow more time for compaction.
Select one:
True
False - ✔ ✔ true
When fine aggregate is added to Portland cement mixture, concrete is
produced.
Select one:
True
False - ✔ ✔ false.
When fine aggregate (aggregate whose size range lies between the No.
200 mesh sieve and the No. 4 sieve) is added to the Portland cement,
the resulting mixture is termed mortar. Then, when coarse aggregate is
included (aggregate sizes larger than the No. 4 sieve but less than 3 in.)
CONCRETE is produced.
, Truck production must not exceed paver production to ensure
consistent delivery and keep the paver moving.
Select one:
True
False - ✔ ✔ false.
Truck production MUST exceed paver production to ensure consistent
delivery and keep the paver moving.
There are three different mix methods for mix design: Hveem, Marshall,
and SuperPave.
Select one:
True
False - ✔ ✔ true
The concrete slump test is a measure of the flowability of fresh
concrete in that specific batch.
Select one:
True
False - ✔ ✔ TRUE