Grades of Coal as per Sizes

STEAM COAL : 50 – 200 mm AND above
RUBBLE COAL : 25 – 50 mm
SLACK COAL: 0- 50 mm
R.O.M (Run - of – Mine) coal : unscreened coal of all sizes.

Comments

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  2. DariyaJune 5, 2020 at 2:43 AM

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  3. UnknownAugust 29, 2020 at 8:24 AM

    Nice information thanks

    ReplyDelete
  4. UnknownJune 25, 2021 at 8:37 AM

    how will we differentiate between slack(0-50mm) and rubble coal(25-50mm)?

    ReplyDelete

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