Low grade coal is ______________ to produce ammonia synthesis gas?

Related Mcqs:

1. Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature___________________?

   A. Rate of reaction is very low
   B. Very high pressure is required resulting in costly pressure vessel
   C. Space velocity of gas is very low resulting in decreased conversion
   D. None of these

2. Ammonia synthesis gas is produced from natural gas by___________________?

   A. Thermal cracking
   B. Steam reforming
   C. Partial oxidation
   D. Hydrogenation

3. Steam reforming of naphtha produces ammonia synthesis gas. This is a/an ____________ process?

   A. Autocatalytic
   B. Endothermic
   C. Exothermic
   D. Non-catalytic

4. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas ?

   A. Water
   B. Naphtha
   C. Tar
   D. Coal/coke oven gas

5. Ammonia synthesis gas is produced from fuel oil by _________________?

   A. Steam reforming
   B. Hydro-cracking
   C. Partial oxidation
   D. Hydrogenation

6. A fertiliser plant is classified as a gas based fertiliser plant, when it uses ______________ gas as a source of hydrogen for the manufacture of ammonia?

   A. Coke oven
   B. Producer
   C. Natural
   D. Coal

7. Catalytic ammonia synthesis reaction as in Haber’s process is_________________?

   A. Endothermic
   B. Exothermic
   C. Irreversible
   D. None of these

8. Ammonia synthesis reaction is______________________?

   A. Exothermic
   B. Endothermic
   C. Autocatalytic
   D. None of these

9. Catalyst used in ammonia synthesis uses ____________ as a promoter?

   A. Pt
   B. K2O
   C. Al2O3
   D. Ni

10. Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?

    A. Al2O3
    B. Cr2O3
    C. K2O
    D. MnO