The solid state shrinkage is taken care of by A. Riser B. Feeding molten metal from ladle C. Shrinkage allowance to the pattern D. All of above
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The correct answer is option C. Shrinkage allowance to the pattern takes care of the solid state shrinkage. When a metal faces loss of temperature while being in solid form, it causes a reduction in the overall volume of the metal. Casting process must follow the pattern layout in a step by step manner. The normal value for shrinkage allowance for pattern making is 1 %.
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