Concrete Technology And Design Of Concrete Structures Set 3

0.43 d ✘ 0.55 d ✘ 0.68 d ✘ 0.85 d ✔

L-shaped wall ✘ T-shaped wall ✘ counterfort type ✘ all of the above ✔

the front face in one direction ✘ the front face in both directions ✘ the inner face in one direction ✘ the inner face in both directions ✔

plain hot rolled wires ✘ cold drawn wires ✘ heat treated rolled wires ✘ all have same tensile strength ✔

M15 ✘ M20 ✘ M10 ✘ M25 ✔

To provide adequate bond stress ✘ To resist tensile stresses ✘ To impart initial compressive stress in concrete ✘ All of the above ✔

3.5 m ✘ 4 m ✘ 4.5 m ✘ 5 m ✔

tcr Ц rcs = tct ✘ fcr>fcs>fc. ✘ fcr ✘ fc5>fcr>fC ✔

The least lateral dimension ✘ 2 times the least lateral dimension ✘ 3 times the least lateral dimension ✘ 4 times the least lateral dimension ✔

balanced beam ✘ under-reinforced beam ✘ over-reinforced beam ✘ none of the above ✔