Heat of Combustion-III MCQ

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• Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.
  ক

  1000

  খ

  4000

  গ

  6000

  ঘ

  8000
• Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec.
  ক

  0.5

  খ

  500

  গ

  10

  ঘ

  50