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Q. How can we use of Shrinkage allowance?
Since metal shrinks on solidification and contracts further on cooling to room temperature, linear dimensions of the pattern is increased in respect of those of the finishing casting to be obtained. This is called "shrinkage allowance". It is given as mm/ m.
Typical values of shrinkage allowance for various metals re given below:
C.I. Malleable iron = 10mm/m
Brass, Cu, Al = 15mm/m
Steel = 20mm/m Zinc,
Lead = 25mm/m
A hollow circular shaft has an internal diameter of 48 mm and an external diameter of 54 mm. Calculate the shear stress produced at the outer and inner surfaces of the shaft when t
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State the need for demand forecasting?
Airlines like to overbook their flights (this is a vibrant area of research called yield management). It is estimated that 10% of the people who book their flight do not show up. H
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