WHAT IS SPECIFIC GRAVITY? HOW TO DETERMINE WATER CONTENT USING IT

WHAT IS SPECIFIC GRAVITY?

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HOW TO USE SPECIFIC GRAVITY?

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HOW TO DETERMINE WATER CONTENT OF SOLID PARTICLES USING SPECIFIC GRAVITY?

PYCNOMETER

It is used to determine the surface water in solid surface and specific gravity

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OBSERVATION

Pycnometer (Empty) = W1

Pycnometer + wet soil / oven dried soil = W2

Pycnometer + soil sample + water = W3

Pycnometer + water = W4

HOW TO FIND SPECIFIC GRAVITY OF SOLID PARTICLES?

Where to use kerosene 0.79g/cc Specific gravity?

To calculate the specific gravity of the material, we use water. But in cement, we want to use kerosene to find specific gravity in it.

why we use this 

Cement hydrates and calcium oxide is formed when it reacts with water. The cement does not show any reaction when mixed with kerosene.

FOR DETERMINATION OF WATER CONTENT (W) OF KNOWN SPECIFIC GRAVITY (G)

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