Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Less than Either more or less; depends on the type of fuel More than Equal to Less than Either more or less; depends on the type of fuel More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier. Moving Fixed Entrained Fluidised Moving Fixed Entrained Fluidised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Coking tendency Size stability Caking tendency Clinkering tendency Coking tendency Size stability Caking tendency Clinkering tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as The total quantity of carbon present in the coal Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters The one which is present in the residue after combustion The total quantity of carbon present in the coal Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters The one which is present in the residue after combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of soft coke is as __________ fuel. Domestic Foundary None of these Blastfurnace Domestic Foundary None of these Blastfurnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the Presence of large quantity of hydrogen in the fuel High sulphur content in the fuel Low calorific value of the fuel Lack of thorough mixing of fuel with air Presence of large quantity of hydrogen in the fuel High sulphur content in the fuel Low calorific value of the fuel Lack of thorough mixing of fuel with air ANSWER DOWNLOAD EXAMIANS APP