Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 70-100 150-200 43832 15-30 70-100 150-200 43832 15-30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Decreases its calorific value Is not possible on commerical scale Does not alter its calorific value Increases its calorific value Decreases its calorific value Is not possible on commerical scale Does not alter its calorific value Increases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Low forced draught and fuel bed temperature Thick fire bed and preheated primary air All of these Low reactivity of carbonised residue containing high proportions of iron & sulphur Low forced draught and fuel bed temperature Thick fire bed and preheated primary air All of these Low reactivity of carbonised residue containing high proportions of iron & sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cooling medium used in dry quenching of coke is Phenolic water Air Nitrogen Carbon dioxide Phenolic water Air Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Temperature maintained is 700°C Yield of tar is about 3% of dry coal Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Yield of tar is about 3% of dry coal Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. None of these Lurgi Fischer-Tropsch Bergius None of these Lurgi Fischer-Tropsch Bergius ANSWER DOWNLOAD EXAMIANS APP
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