When the ________ content is low, most ettringite will be formed in the plastic state.

Harshness in concrete is due to the excess of _________

In order to avoid segregation, the concrete should not be thrown from a height.

Lowering of ________ might also help, since this would reduce the amount of CH that forms.

The quality of concrete, specifically a ________ permeability, is the best protection against sulphate attack.

Reinforced cement concrete is equally strong in taking ______

Strength of concrete is proportional to __________

Low w/c ratio helps to control suphate attack.