CE 200 Quiz 2 Questions and Correct answers with Complete Solutions

CE 200 Quiz 2 Questions and Correct answers with Complete Solutions
Riprap stands for - ✔✔- Very large pieces of rocks that may be used in addition
to preventing erosion of soil as the base course of construction of pavements
In Portland cement concrete (PCC) the use of - ✔✔- Gravel, which is used as
course aggregate (CA) filler of the port land cement concrete(PCC) is provided to
strength, economy and volume stability
In concretes, be the portland cement concrete (PCC) or the asphalt concrete
(AC) the fine aggregate (FA) is used as a filler - ✔✔- provide better gradation for
the aggregates to (a) prevent gaps in the concrete that will be filled with the
cementitious material, (b) improve the work ability especially in (PCC)
Aggregates constitute 60% to 75% ,by volume, and 79% to 85% weight, of the
conetent of (PCC) and 75% to 85% , by volume, and 92% to 96% by weight of
that asphalt concrete (AC) - ✔✔- All of the above are true
Aggregates used in concretes, be they portland cement concrete (PCC) or
asphalt concrete (AC) are required to meet various standards for which they
should be subjected to tests, such as: - ✔✔- All of the above are true
Ideally, aggregates used in portland cement concrete (PCC) bor best results,
should hvae moisture content that qualifies them for bedding in the wetness state
of: - ✔✔- None of the above is true
Aggregates sourced from naturally occuring rock formation reflect the properties
of the original rock formation of: - ✔✔- All of the above are true
For best results in achieving manufacturing economy as well as for performance
considerations of the already cured Portland cement concrete (PCC) such as,
strength and impermeability, aggregate graduation should be classified as: -
✔✔- well-graded