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______________ defects in castings cannot be identified easily.

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+1 vote
in Foundry and Forging by (110k points)
______________ defects in castings cannot be identified easily.

(a) Internal

(b) External

(c) Chemical

(d) Metallic

The question was asked in exam.

My doubt stems from Advantages and Applications of Foundry topic in section Foundry Introduction of Foundry and Forging

1 Answer

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Best answer
Correct answer is (a) Internal

To explain I would say: The casting is usually made in bulk in foundries and it is not visible to the naked eyes. The castings have to be sent for X-ray testing and such kind of test to find out the internal defects. Identifying internal defects is a tough task in foundries.

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