The compressive strength of 100 mm cube as compared to 150 mm cube is always_______________?

A. Less
B. More
C. Equal
D. None of the above

The fineness modulus of fine aggregate is in the range of______________?

A. 2.0 to 3.5
B. 3.5 to 5.0
C. 5.0 to 7.0
D. 6.0 to 8.5

The factor of safety for______________?

A. Steel and concrete are same
B. Steel is lower than that for concrete
C. Steel is higher than that for concrete
D. None of the above

Poisson’s ratio for concrete_______________?

A. Remains constant
B. Increases with richer mixes
C. Decreases with richer mixes
D. None of the above

Finer grinding of cement______________?

A. Affects only the early development of strength
B. Affects only the ultimate strength
C. Both (a. and (b.
D. Does not affect the strength

1% of voids in a concrete mix would reduce its strength by about______________?

A. 5%
B. 10 %
C. 15%
D. 20%

Bulking of sand is maximum if moisture content is about____________?

A. 2 %
B. 4%
C. 6%
D. 10%

As compared to ordinary portland cement, high alumina cement has______________?

A. Higher initial setting time but lower final setting time
B. Lower initial setting time but higher final setting time
C. Higher initial and final setting times
D. Lower initial and final setting times

In order to obtain the best workability of concrete, the preferred shape of aggregate is_______________?

A. Rounded
B. Elongated
C. Angular
D. All of the above

Modulus of rupture of concrete is a measure of_______________?

A. Flexural tensile strength
B. Direct tensile strength
C. Compressive strength
D. Split tensile strength