CONCRETE TECHNOLOGY AND DESIGN OF CONCRETE STRUCTURES QUIZ

(i) and (ii)

(ii) and (iii)

(i) and (iv)

(iii) and (iv)

20%

10 %

5%

15%

To impart initial compressive stress in concrete

To resist tensile stresses

All of these

To provide adequate bond stress

0.33

0.5

0.75

1

counterfort type

T-shaped wall

All of these

L-shaped wall

higher initial setting time but lower final setting time

higher initial and final setting times

lower initial and final setting times

lower initial setting time but higher final setting time

about 0.1 N/mm²

0.3 N/mm² to 0.7 N/mm²

zero

about 1.0 N/mm²

0.13

0.15

0.14

0.12

compressive

tensile or compressive

zero

tensile

segregation

bleeding

creep

bulking