Fuel objective type questions and answers

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

   A.12

   B.14

   C.16

   D.32

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

   A.Equal to

   B.Less than

   C.More than

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

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

   A.Producer gas

   B.Coal gas

   C.Mond gas

   D.Blast furnace gas

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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