Question

Question #10 (4%) Which of the following are not used to measure lineal distances? (A)LVDT (B) Caliper (C) Micrometer (D) Proving Ring (E) Dial Gauge Question #11 (4%) Fly Ash and Silica Fume are examples of (A) Concrete Admixtures (B) Supplementary Cementitious Materials (C) Steel Feedstock (raw ingredients) (D) Natural Pozzolans (E) None of the above Question #12 (4% As the water-cement ratio in PCC increases, which of the following occurs as a result? (A) Strength increases (B) Permeability increases (C) Unit weight increases (D) Workability decreases (E) None of the above

Answer 1

w/C γα10 and Delnee of curing Low w/c