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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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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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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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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