Gobar gas constitutes mainly of___________________?

Related Mcqs:

1. Gobar gas is produced by the _______________ of ‘gobar’ (cow dung) ?

   A. Hydrolysis
   B. Fermentation
   C. Oxidation
   D. Dehydration

2. Main constituent of the gas produced from a gobar gas plant is___________________?

   A. CO2
   B. CH4
   C. H2
   D. CO

3. Coke oven gas constitutes mainly of ____________________?

   A. H2 & CO
   B. H2 & CH4
   C. CH4 & CO
   D. H2 & CO2

4. Blast furnace gas constitutes mainly of_________________?

   A. N2 & CH4
   B. N2 & H2
   C. N2 & CO
   D. CH4 & CO2

5. Water gas constitutes mainly of __________________?

   A. CO & H2
   B. CO & N2
   C. CO2 & H2
   D. CH4 & H2

6. Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is _______________ percent?

   A. 71%
   C. In between 37 & 71%
   D. None of these

7. Gobar gas is produced by the ______________ of cow dung?

   A. Fermentation
   B. Oxidation
   C. Hydrogenation
   D. None of these

8. Calorific value of gobar gas (containing CH4 = 60% , H2 = 10% ; CO2 = 30%) may be about ______________ Kcal/Nm3?

   A. 1,800
   B. 3,200
   C. 5,400
   D. 10,200

9. ‘Mixed gas’ used in steel plants is a mixture of___________________?

   A. B.F. gas and coke oven gas
   B. Coke oven gas and converter gas
   C. Coke oven gas and L.P.G
   D. Blast furnace gas and naphtha vapor

10. Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal ?

    A. Vitrain
    B. Clarain
    C. Durain
    D. Fussain