Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 10000 50 5000 1000 10000 50 5000 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High ash containing coke Is desirable in producer gas manufacture None of these Produces more slag when used in the blast furnace Has poor strength and abrasion resistance Is desirable in producer gas manufacture None of these Produces more slag when used in the blast furnace Has poor strength and abrasion resistance ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Line Molasses Tar Pitch Line Molasses Tar Pitch ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Lengthens the flame Increases the flame temperature Tends to shorten the flame Does not affect the flame length Lengthens the flame Increases the flame temperature Tends to shorten the flame Does not affect the flame length ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during None of these Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) None of these Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to None of these Increase the output of the coke Facilitate easy discharging of coke as it swells during carbonisation Facilitate uniform heating of the oven None of these Increase the output of the coke Facilitate easy discharging of coke as it swells during carbonisation Facilitate uniform heating of the oven ANSWER DOWNLOAD EXAMIANS APP
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