Pitch maybe used up to what percent?(a) 1%(b) 2%(c) 3%(d) 4%I had been asked this question during an online interview.This question is from Bonding Theory topic in chapter Molding and Core Sands of Casting-Forming-Welding I

Pitch maybe used up to what percent?(a) 1%(b) 2%(c) 3%(d) 4%I had been

1.	Pitch maybe used up to what percent?(a) 1%(b) 2%(c) 3%(d) 4%I had been asked this question during an online interview.This question is from Bonding Theory topic in chapter Molding and Core Sands of Casting-Forming-Welding I
Answer» The CORRECT choice is (b) 2% To explain: 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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Pitch maybe used up to what percent?(a) 1%(b) 2%(c) 3%(d) 4%I had been asked this question during an online interview.This question is from Bonding Theory topic in chapter Molding and Core Sands of Casting-Forming-Welding I

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