Types of Cement and Testing of Cement

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1. Which apparatus is generally used to measure soundness of cement?


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2. Excess in lime causes ___


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3. Calculate standard consistency(%) when 100 ml of water is added in 1000 g of cement.


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4. Which cement is used to store for longer duration in wet climatic conditions?


Hint Answer

5. Final setting time of cement should not be more than ___


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6. On cooling below 1250oC, C3S decomposes ________


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7. In cement hardening process _______ instants are very important.


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8. If t1=Time at which water is first added to cement, t2=Time when needle fails to penetrate 5 mm to 7 mm from bottom of mould, t3=Time when needle makes an impression but attachment fails to do so, n what is final setting time?


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9. How many layers of concrete are placed to fill a slump cone?


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10. When concrete is to be laid under water _______ is to used.


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Types of Cement and Testing of Cement

Which apparatus is generally used to measure soundness of cement?

;

Excess in lime causes ___

;

Calculate standard consistency(%) when 100 ml of water is added in 1000 g of cement.

;

Which cement is used to store for longer duration in wet climatic conditions?

;

Final setting time of cement should not be more than ___

;

On cooling below 1250oC, C3S decomposes ________

;

In cement hardening process _______ instants are very important.

;

If t1=Time at which water is first added to cement, t2=Time when needle fails to penetrate 5 mm to 7 mm from bottom of mould, t3=Time when needle makes an impression but attachment fails to do so, n what is final setting time?

;

How many layers of concrete are placed to fill a slump cone?

;

When concrete is to be laid under water _______ is to used.

;
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