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When the clay content increases the quality of the lime decreases. Fat lime the best quality lime have less than 5% clay, hydraulic lime have clay content between 5% – 30% and poor clay have clay content greater than 30%.

Stones obtained freshly from a quarry contain some moisture which is known as quarry sap.
The process of removal of quarry sap from stones is called seasoning.
It is one of the process that maintain optimum amount of water content in the stone.
Seasoning takes 6-12 months.

In closed die forging, a huge force is required to forge a component because whole of the product is forged at a time. In wobble forging, only a small proportion of the part is deformed at any particular time, thus forging forces are reduced considerably and capital cost is also low.

Lime is obtained by the calcination of lime stone. When water is added to lime, it cracks swells and fall part. Thi process is known as slaking.

Lime is obtained by the calcination of lime stone. It is the process of heating the lime to redness in the presence of free air.

Heating to redness in the presence of air is known as calcination. Hence it is an endothermic reaction.

Amount water required for slaking is equal to 32% of total weight of quick lime. Practically 2 to 3 times of water calculated is required.

When the clay content increases the quality of the lime decreases.
Fat lime the best quality lime have less than 5% clay,
Hydraulic lime have clay content between 5% – 30%.
Poor lime have clay content greater than 30%.

Quick lime in general called lime is also known as caustic lime. Its chemical formula is CaO.

When the lime comes out of the kiln it is called lump lime or burned lime. Lime is obtained by the calcination of lime stone.

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