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 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Partial oxidation Cracking Gasification Reforming Partial oxidation Cracking Gasification Reforming ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Blast furnace gas Coke oven gas Carburetted water gas Oil refinery gas Blast furnace gas Coke oven gas Carburetted water gas Oil refinery gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Increases the flame temperature Tends to shorten the flame Lengthens the flame Does not affect the flame length Increases the flame temperature Tends to shorten the flame Lengthens the flame Does not affect the flame length ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 50 10 75 25 50 10 75 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 55 25 5 75 55 25 5 75 ANSWER DOWNLOAD EXAMIANS APP
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