Fuel objective type questions and answers


6. The molecular mass of oxygen is.......


   A.12

   B.14

   C.16

   D.32


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D.32

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7. The molecular mass of nitrogen is.......oxygen


   A.Equal to

   B.Less than

   C.More than


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B.Less than

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8. Petrol is distilled at.........


   A.650C to 220 0C

   B.2200C to 345 0C

   C.3450C to 470 0C

   C.4700C to 550 0C


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A.650C to 220 0C

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9. Which of the following gas has the highest calorific value......


   A.Producer gas

   B.Coal gas

   C.Mond gas

   D.Blast furnace gas


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B.Coal gas

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10. The fuel mostly used in blast furnace for extracting pig iron from iron ore is.......


   A.Hard coke

   B.Soft coke

   C.Pulverised coal

   D.Bituminous coal


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A.Hard coke

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