Pick out the wrong statement.

Question

Options:

A . Percentage of ash in coke produced from medium coking coal is more than that in coal

B . The calorific value (kcal/Nm³) of coke oven gas reduces on removal of hydrogen from it by cryogenic method

C . Ash is normally removed as

D . Coal based fertiliser plants in India at Talcher (Orissa) and Ramagundam (A.P) employ Kopper-Totzek process of coal gasification

Answer: Option C

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More Questions on This Topic :

Question 1. Low temperature carbonisation of coal takes place at __________ °C.....

Question 2. High temperature carbonisation of coal takes place at __________ °C.....

Question 3. Actual flame temperature is always lower than the adiabatic flame temperature, because there is....

Question 4. The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always....

Question 5. Sometimes water is sprayed during coal charging in the coke oven, which helps in....

Question 6. The main drawback of supplying more excess air in the combustion of fuel is the....

Question 7. Which of the following fuel gases has the highest calorific value ?....

Question 8. Which of the following coke has the least percentage of ash?....

Question 9. Which of the following has the highest calorific value?....

Question 10. Which will have the least volatile matter and hence will be the most difficult to ignite?....

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