Hamad Fuels and Combustion 22/11/2020 A. Lignite B. Bituminous C. Semi-anthracite D. Anthracite Related Mcqs: _____________ has the widest inflammability limit (explosion limit) of all the gases?A. Hydrogen B. Carbon monoxide C. Acetylene D. Methane... In low temperature carbonisation (as compared to high temperature carbonisation) of coal__________________?A. Ammonia yield is more B. Aliphatic tar is produced C. Free carbon in tar is more D. All A., B. and C.... 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... Volatile matter content of metallurgical coke may be around ______________ percent?A. 1-2 B. 10-15 C. 22-26 D. 30-33... Coke compared to the coal from which it has been made, contains ____________________?A. Less volatile matter B. More carbon C. Greater percentage of ash D. All A., B. and C....
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