CE 200 Quiz 2 | Materials CE 200 Seminar | Aggregates and Masonry | Latest Exam| Questions With Verified Answers 2024

CE 200 Quiz 2 | Materials CE 200 Seminar | Aggregates and Masonry | Latest Exam| Questions With Verified Answers 2024 General Description of Aggregates - Correct Answer Aggregates are riprap, gravel, pebbles, crushed stones, crushed(recycled) portland cement concrete ( PCC) and asphalt concrete ( AC),sand, etc. CA particle shape and surface variations - Correct Answer (a) Angular, (b) Rounded, (c) Flaky, (d) Elongated, (e) Flaky and Elongated Fine aggregates - Correct Answer sand, or aggregates that pass Sieve No 4 Origin of aggregates - Correct Answer a) Man-made, b) Natural, c) Manufactured, The difference between coarse aggregate ( CA) or gravel, crushed rocks or concretes, on the one hand, and fine aggregate (FA) or sand, on the other, is - Correct Answer particle size — in general ¼′′ sieve separating CA from FA The fundamental rule for aggregate selection is dictated by the: - Correct Answer a) Desirable properties expected of the concrete. b) Cost and Availability of aggregates Properties of Aggregates - Correct Answer Rounded is better suited for portland cement concrete, Angular is better suited for asphalt concrete ( AC), Mechanically, aggregates should meet: - Correct Answer Durability standards