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Explain the process of carbonization and the manufacture of metallurgical coke using the Otto Hoffmann method.
Explain the process of carbonization and the manufacture of metallurgical coke using the Otto Hoffmann method.
Carbonization is the process of heating coal in the absence of air to produce coke. The Otto Hoffmann method involves heating coal in a series of closed chambers to produce metallurgical coke.
What is the Bergius process and how is it used in the manufacture of synthetic petrol?
What is the Bergius process and how is it used in the manufacture of synthetic petrol?
The Bergius process is a method of producing synthetic petrol from coal by hydrogenating it under high pressure in the presence of a catalyst.
Define the terms 'knocking', 'octane number', and 'diesel oil'.
Define the terms 'knocking', 'octane number', and 'diesel oil'.
'Knocking' refers to the uncontrolled detonation of fuel in the engine. 'Octane number' is a measure of a fuel's resistance to knocking. 'Diesel oil' is a type of fuel used in diesel engines.
Explain the concept of 'calorific value' and differentiate between higher and lower calorific values.
Explain the concept of 'calorific value' and differentiate between higher and lower calorific values.
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What is the ORSAT method used for in the context of flue gas analysis?
What is the ORSAT method used for in the context of flue gas analysis?
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