When steam is passed over coal resulting in the endothermic reaction represent by, C + H2O = CO + H2, it is called the _______________ of coal?

Related Mcqs:

1. Calorific value of coal middling generated in coal washeries during washing of coal may be around _____________ Kcal/kg?

   A. 1000
   B. 4000
   C. 6000
   D. 8000

2. The reaction, C + CO2 ↔ 2CO, taking place during coal gasification is called the ______________ reaction?

   A. Neumann reversal
   B. Shift conversion
   C. Boudouard
   D. Reduction

3. The gasification reaction represented by, C + H2O = CO + H2, is__________________?

   A. Exothermic
   B. Endothermic
   C. Catalytic
   D. Autocatalytic

4. ‘Wind loss’ resulting from unscientific storage of coal may be the order of about _____________ percent?

   A. 2.5
   B. 7.5
   C. 10.5
   D. 14.5

5. Low temperature oxidation of coal resulting from bad storage conditions does not decrease its______________________?

   A. Caking power
   B. Calorific value
   C. Hydrogen content
   D. Oxygen content

6. A coal containing very high percentage of durain is called ______________ coal?

   A. Bright
   B. Splint
   C. Non-banded
   D. Boghead

7. Which of the following is not endothermic ?

   A. Cracking
   B. Reforming
   C. Gasification
   D. Partial oxidation

8. In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of__________________?

   A. Transportation of coal
   B. Drying of coal
   C. Combustion of coal by supplying it around the burner
   D. Preheating the primary air

9. Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction ?

   A. 2CO ↔ C + CO2
   B. CO + H2O ↔ CO2 + H2
   C. C + H2O ↔ CO + H2
   D. C + 2H2O ↔ CO2 + 2H2

10. Which of the following is the most reactive (as regards the formation of CO + H2 from C + H2O) ?

    A. Blast furnace coke
    B. Low temperature coke
    C. Anthracite coal
    D. Sub-bituminous coal