Calorific value of blast furnace gas is around _____________ KCal/Nm3?

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. For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3), while the C.V. is same on weight basis (i.e., kcal/kg) ?

   A. Propane and acetylene
   B. Propane and LPG
   C. Sewage gas and gobar gas
   D. B.F. gas and coke oven gas

3. Dust content in raw blast furnace gas is about _______________ gm/Nm3; hence it is cleaned to the dust level of about < 10 mg /Nm3 before use?

   A. 15-30
   B. 1-2
   C. 70-100
   D. 150-200

4. The calorific value of producer gas is around _____________ kcal/Nm3?

   A. 1300
   B. 500
   C. 4500
   D. 9000

5. Calorific value of coke even gas produced by low temperature carbonisation of coal is about ____________ Kcal/Nm3?

   A. 4000
   B. 2500
   C. 6500
   D. 10000

6. The calorific value of L.D. converter gas is about ____________ Kcal/Nm3?

   A. 1800
   B. 800
   C. 4500
   D. 10000

7. Calorific value of wood gas is about ______________ kcal/Nm3?

   A. 1500
   B. 3300
   C. 5400
   D. 8500

8. Calorific value of coke oven gas is around ______________ Kcal/Nm3?

   A. 900
   B. 4200
   C. 7500
   D. 2000

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

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

10. 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