Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant ?

Related Mcqs:

1. Which adsorbent is used for removing sulphur compounds (S Q, H2S, RSH etc.) removal from coke oven gas in by-products recovery plant ?

   A. Silica gel
   B. Diatomaceous earth
   C. Basalt
   D. Bog iron (i.e., moist ferric hydroxide)

2. Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has_________________?

   A. Higher calorific value
   B. Lower hydrogen content
   C. Both A. and B.
   D. Neither A. nor B.

3. Temperature of coke oven gas just before entering into saturator (for recovery of NH3) is about ______________ °C?

   A. 30
   B. 65
   C. 120
   D. 180

4. Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around ______________ Nm3?

   A. 30
   B. 300
   C. 3,000
   D. 30,000

5. Width of the coke oven towards coke side is slightly more than that on pusher side to____________________?

   A. Facilitate easy discharging of coke as it swells during carbonisation
   B. Facilitate uniform heating of the oven
   C. Increase the output of the coke
   D. None of these

6. Blast furnace gas compared to coke oven gas has_________________?

   A. Lower ignition temperature
   B. Narrower limit of inflammability
   C. Higher calorific value
   D. Lower theoretical flame temperature

7. Coke oven gas is a better fuel than blast furnace gas, because of its higher________________?

   A. Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity)
   B. Adiabatic flame temperature
   C. Heat release rate (thus requiring smaller combustion chamber)
   D. All A., B. and C.

8. Coke oven gas compared to blast furnace gas is________________?

   A. More explosive and inflammable
   B. Less poisonous
   C. Lighter
   D. All A., B. and C.

9. By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of_______________?

   A. Tar
   B. Benzol
   C. Ammonia
   D. None of these

10. Ammonia content in raw coke oven gas is about _____________ gm/Nm3?

    A. 1
    B. 5
    C. 50
    D. 100