Pitch maybe used up to what percent?

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Mr. Dubey

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📊 Design of Machine Elements

Q. Pitch maybe used up to what percent?

(A) 1%
(B) 2%
(C) 3%
(D) 4%

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✅ Correct Answer: (B) 2%

Explanation: pitch distillation of soft coals plays a vital role in bonding theory. pitch is used for getting a good surface finish on iron casts. these pitches generally are used up to be to 2%.

Explanation by: Mr. Dubey

pitch distillation of soft coals plays a vital role in bonding theory. pitch is used for getting a good surface finish on iron casts. these pitches generally are used up to be to 2%.

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