Fuels and Combustion A good quality coal should have High sulphur Low fusion point of ash High ash content None of these High sulphur Low fusion point of ash High ash content None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation Produces larger size coke None of these May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation Produces larger size coke None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Blast furnace gas Refinery gas Converter gas Gobar gas Blast furnace gas Refinery gas Converter gas Gobar gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Admitting more air Shutting air supply Admitting more gas Shutting gas supply Admitting more air Shutting air supply Admitting more gas Shutting gas supply ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C/H ratio is the maximum in case of Natural gas Furnace oil Naphtha Coal Natural gas Furnace oil Naphtha Coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air 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 Increases the flame temperature Tends to shorten the flame ANSWER DOWNLOAD EXAMIANS APP
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