1.
Increase in the moisture content in concrete_________________?

2.
The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by_______________?

3.
The approximate value of the ratio between direct tensile strength and flexural strength is_____________?

4.
Air entrainment in the concrete increases________________?

5.
Workability of concrete is inversely pro¬portional to______________?

6.
The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called________________?

7.
To determine the modulus of rupture, the size of test specimen used is_______________?

8.
The percentage of voids in cement is approximately_______________?

9.
Modulus of rupture of concrete is a measure of_______________?

10.
In order to obtain the best workability of concrete, the preferred shape of aggregate is_______________?