Main constituent of natural gas is ________________?

Related Mcqs:

1. 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

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

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

3. The gas which contributes maximum to the heating value of natural gas is __________________?

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

4. The main advantage of forced draft over natural draft is that____________________?

   A. Combustion of fuel is complete
   B. Smaller height chimney can be used
   C. Furnace control is easier
   D. All A., B. & C.

5. A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is_________________?

   A. CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60
   B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02
   C. CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2:72.06
   D. CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74

6. The calorific value of natural gas is about ______________ kcal/Nm3?

   A. 10,000
   B. 2,500
   C. 25,000
   D. 35,000

7. Largest constituent of coke oven gas is_________________?

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

8. Largest constituent of blast furnace gas is__________________?

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

9. Main component of sewage gas produced during anaerobic decomposition of organic waste (by suitable bacteria) during sewage disposal is __________________?

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

10. Main constituents of purified Lurgi gas are___________________?

    A. H2, CmHn & CO2
    B. CO, H2 & CH4
    C. CO2, O2 & CO
    D. N2, H2 & CO2