Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Olefins Alphatic compounds Aromatic compounds Paraffins Olefins Alphatic compounds Aromatic compounds Paraffins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of 'gobar' (cow dung). Fermentation Oxidation Hydrolysis Dehydration Fermentation Oxidation Hydrolysis Dehydration ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by None of these Incomplete combustion Moisture loss Dry gas/stack gas loss None of these Incomplete combustion Moisture loss Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Very low calorific value coke oven gas Soft coke No by-products Metallurgical coke Very low calorific value coke oven gas Soft coke No by-products Metallurgical coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in All of these Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Prevention of clinker formation in the oven All of these Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Prevention of clinker formation in the oven ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a single stage, fixed bed high pressure coal gasification process? None of these Lurgi Process Winkler process Kopper-Totzek process None of these Lurgi Process Winkler process Kopper-Totzek process ANSWER DOWNLOAD EXAMIANS APP