CONCRETE TECHNOLOGY AND DESIGN OF CONCRETE STRUCTURES QUIZ

15%

20%

10%

5%

the effects of temperature variations

workability

the unit weight

strength

(i) and (ii)

only (i)

(i), (ii) and (iii)

(i) and (iii)

higher tensile strength of steel

higher compressive strength of con-crete

lower tensile strength of steel

lower compressive strength of concrete

A is true but R is false.

A is false but R is true.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

150 mm

200 mm

100 mm

250 mm

0.43 d

0.68 d

0.55 d

0.85 d

has a definite yield point

does not show definite yield point but yield point is defined by 2% proof stress,

does not show definite yield point but yield point is defined by 0.2% proof stress

does not show definite yield point but yield point is defined by 0.1% proof stress

±5% of average

± 15% of average

± 10% of average

±20% of average

less than 12

more than 24

less than 18

between 18 and 24