Fuels and Combustion Low temperature carbonisation of coal produces No by-products Metallurgical coke Very low calorific value coke oven gas Soft coke No by-products Metallurgical coke Very low calorific value coke oven gas Soft coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? Ash disposal problem Erosion of induced draft fan blades Excessive fly-ash discharge from the stack High power consumption in its transportation Ash disposal problem Erosion of induced draft fan blades Excessive fly-ash discharge from the stack High power consumption in its transportation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always Unpredictable > 1 < 1 1 Unpredictable > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Blast furnace gas Water gas Producer gas Natural gas Blast furnace gas Water gas Producer gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. Less Equal More or less ; (depends on the state of fuel.) More Less Equal More or less ; (depends on the state of fuel.) More ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 10 & 3 10 & 20 15 & 8 3 & 10 10 & 3 10 & 20 15 & 8 ANSWER DOWNLOAD EXAMIANS APP
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