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Sharp corners in the casting design also produce the problem of sand inclusion in the castings.

Sharp corners in the casting design also produce the problem of sand inclusion in the castings. Correct Answer True

Sharp corners in the casting design causes hot spots which produce many casting defects, such as hot tears, metal penetration, shrinkage, cracking and gas-related defects. And the sharp edges on the metal are also prone to breaking off and may cause sand inclu¬sions in the casting.

Related Questions

In a village 50% of the villagers produce rice, 40% of the villagers produce apples and 50% of the villagers produce vegetables, 20% of the villagers produce rice and apples both, 25% of the villagers produce apples and vegetables both, 20% of the villagers produce rice and vegetables both and 10% of the villagers produce all three. Find the percentage of villagers who do not produce anything.
Lack of filleting of sharp corners in the casting design can cause hot spots in the casting.
Sharp corners in casting design may cause defects in the casting but it helps in strengthening of pattern material.
In casting design, concave junctions are generally added to avoid the effect of sharp corners in the casting.
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The chances of defects in the castings by cold chamber die casting are more than the castings produced by hot chamber die casting.
The castings made by vacuum die casting have more strength than the castings made by die casting.
It is not necessary to avoid any sharp internal corners from casting design, as it causes very negligible problems.