Fuels and Combustion The fuel ratio of a coal is The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank Neither A nor B Both A and B The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. Combustion air decreases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Either the fuel or the air or both, increases Combustion air decreases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Either the fuel or the air or both, increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of hard coke produced by high temperature carbonisation is in the Domestic ovens Iron blast furnace Sinter making Cupola in foundaries Domestic ovens Iron blast furnace Sinter making Cupola in foundaries ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 8 18 80 48 8 18 80 48 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant? None of these Ammonium nitrate Ammonium phosphate Ammonium sulphate None of these Ammonium nitrate Ammonium phosphate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Flue gases Ash content in the fuel Unburnt carbon in flue gases Incomplete combustion Flue gases Ash content in the fuel Unburnt carbon in flue gases Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
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