Fuels and Combustion MCQs with answers Page - 20

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Q. Coalification means the

  • (A) Direct hydrogenation of coal
  • (B) Complete combustion of coal
  • (C) Process of conversion of lignite into anthracite
  • (D) Underground gasification of coal

A

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Q. Coking coals are invariably

  • (A) Lignites
  • (B) Bituminous coals
  • (C) Semi-anthracites
  • (D) Anthracites