CONCRETE TECHNOLOGY AND DESIGN OF CONCRETE STRUCTURES QUIZ

3 times the least lateral dimension

4 times the least lateral dimension

The least lateral dimension

2 times the least lateral dimension

9

2

8

4

higher initial setting time but lower final setting time

lower initial setting time but higher final setting time

higher initial and final setting times

lower initial and final setting times

shear and torsion

bending moment, shear and torsion

bending moment and torsion

bending moment and shear

Decreases below the neutral axis and increases above the neutral axis

Increases below the neutral axis and decreases above the neutral axis

Is maximum at neutral axis

Remains same

in both post-tensioned and preten-sioned beams

only in pretensioned beams

None of these

only in post-tensioned beams

1.5 and 1.5

2.2 and 1.5

2.2 and 2.2

1.5 and 2.2

20 mm

15 mm

10 mm

30 mm

split tensile strength

compressive strength

direct tensile strength

flexural tensile strength

two cantilevers

three cantilevers

four cantilevers

one cantilever