Fuels and Combustion Gobar gas is produced by the __________ of 'gobar' (cow dung). Hydrolysis Dehydration Oxidation Fermentation Hydrolysis Dehydration Oxidation Fermentation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will Burn with a small non-smoky flame Have a very high calorific value Give less yield of tar and gas on carbonisation None of these Burn with a small non-smoky flame Have a very high calorific value Give less yield of tar and gas on carbonisation None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Fat coals Solid fuels Liquid fuels Gaseous fuels Fat coals Solid fuels Liquid fuels Gaseous fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Lower ignition temperature Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability Lower ignition temperature Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its None of these Strength Hardness Reactivity None of these Strength Hardness Reactivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Neither A nor B Both A & B Because, it alone produces unreactive coke To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Both A & B Because, it alone produces unreactive coke To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls ANSWER DOWNLOAD EXAMIANS APP
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