pattern allowance

The allowance provided to a pattern for easy withdrawal from a sand mold is

The allowance provided to a pattern for easy withdrawal from a sand mold is

Gray cast iron blocks of size $$100\,\,mm \times 50\,\,mm \times 10\,\,mm$$ with a central spherical cavity of diameter $$4$$ mm are sand cast. The shrinkage allowance for the patt...

Gray cast iron blocks $$200 \times 100 \times 10\,\,mm$$ are to be cast in sand moulds. Shrinkage allowance for pattern making is $$1$$%. The ratio of the volume of pattern to that...

Shrinkage allowance on pattern is provided to compensate for shrinkage when

Which of the following materials requires the largest shrinkage allowance, while making a pattern for casting?

When there is no room temp change, the total shrinkage allowance on a pattern is INDEPENDENT OF

The contraction allowance provided on the pattern and core boxes compensates for the following type of contraction.