Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Less Data insufficient; can't be predicted Same More Less Data insufficient; can't be predicted Same More ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have Low fusion point of ash Very low ash content (8-10%) High volatile matter content High caking index Low fusion point of ash Very low ash content (8-10%) High volatile matter content High caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to Increase the output of the coke None of these Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation Increase the output of the coke None of these Facilitate uniform heating of the oven Facilitate easy discharging of coke as it swells during carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have High fusion point of its ash High bulk density Lower ash content Less moisture content High fusion point of its ash High bulk density Lower ash content Less moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Larger quantity of coal can be processed Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher Larger quantity of coal can be processed Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 5 35 20 10 5 35 20 10 ANSWER DOWNLOAD EXAMIANS APP
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