Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Only O₂ All of these Both O₂ and CO Both O₂ and CO₂ Only O₂ All of these Both O₂ and CO Both O₂ and CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not Used in blast furnaces None of these Produced by low temperature carbonisation of coal A domestic fuel Used in blast furnaces None of these Produced by low temperature carbonisation of coal A domestic fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal. 750 500 160 60 750 500 160 60 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon None of these Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame Requires smaller combustion space and less secondary air None of these Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame Requires smaller combustion space and less secondary air 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 Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Clarain Vitrain Fussain Durain Clarain Vitrain Fussain Durain ANSWER DOWNLOAD EXAMIANS APP
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