Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Low reactivity of carbonised residue containing high proportions of iron & sulphur All of these Low forced draught and fuel bed temperature Thick fire bed and preheated primary air Low reactivity of carbonised residue containing high proportions of iron & sulphur All of these Low forced draught and fuel bed temperature Thick fire bed and preheated primary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Both B and C Low production of CO₂ High production of CO₂ High production of CO Both B and C Low production of CO₂ High production of CO₂ High production of CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Caking coal Non-caking coal Pulverised coal Coking coal Caking coal Non-caking coal Pulverised coal Coking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Both B and C Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) Both steam and electrical power Both B and C Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) Both steam and electrical power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by Potassium hydroxide Alkaline pyrogallol solution None of these Cuprous chloride Potassium hydroxide Alkaline pyrogallol solution None of these Cuprous chloride ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Moisture Volatile matter Ash Sulphur (4-6%) Moisture Volatile matter Ash Sulphur (4-6%) ANSWER DOWNLOAD EXAMIANS APP