Properties of Moulding Sand in Hindi, Refractoriness, Permeability, Hardness, Adhesive, Cohesive

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[@AnilSharma-qn2uz]

You are best teacher

[@pravinupadhyay8370]

You are very best sir. Very good lectures.

[@preetisingh-cg1sw]

Very well explained

[@Proximacentuey]

Highly effective video sir

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Good teacher

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Sir your teaching way is great and understandable

[@RekhaSingh-by1ri]

Thank u sir🙏

[@rajeevvermavlog]

permeability of moulding sand depends on which? a)grain size(b)grain shape (c) moisture content( d) all of these. Pls reply🙏🙏

[@narenderkumar-sp3im]

❤hi