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Chapter:

Strength-of-Concrete

1. Harshness in concrete is due to excess of _________


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2. Concentration of water-soluble sulphates in water _______ ppm for severe exposure.


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3. Low w/c ratio helps to control suphate attack.


Hint Answer

4. Strength of concrete increase with _____


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5. Concentration of water-soluble sulphates in water _______ ppm for mild exposure.


Hint Answer

6. Reinforced cement concrete is equally strong in taking ______


Hint Answer

7. Durability of concrete is proportional to _____


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


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9. Strength of concrete is proportional to __________


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10. The separation of water or water-cement mixture from freshly mixed concrete is known as bleeding.


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Topics

This Chapter Strength-of-Concrete consists of the following topics

Durability of Concrete

Harshness in concrete is due to excess of _________

;

Concentration of water-soluble sulphates in water _______ ppm for severe exposure.

;

Low w/c ratio helps to control suphate attack.

;

Strength of concrete increase with _____

;

Concentration of water-soluble sulphates in water _______ ppm for mild exposure.

;

Reinforced cement concrete is equally strong in taking ______

;

Durability of concrete is proportional to _____

;

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

;

Strength of concrete is proportional to __________

;

The separation of water or water-cement mixture from freshly mixed concrete is known as bleeding.

;