Fuels and Combustion With increases in carbonisation temperature Tar yield increases Coke even gas yield increases Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases Tar yield increases Coke even gas yield increases Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion reaction of fuels is a/an __________ reaction. Auto catalytic Endothermic Exothermic None of these Auto catalytic Endothermic Exothermic None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the All of these Increase in gas pressure Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) All of these Increase in gas pressure Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Maintaining proper draft in the furnace Oxygen enrichment of combustion air Controlling the excess air Using low c.v. fuels Maintaining proper draft in the furnace Oxygen enrichment of combustion air Controlling the excess air Using low c.v. fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 23 11.5 0.5 12 23 11.5 0.5 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Caking power Calorific value Oxygen content None of these Caking power Calorific value Oxygen content None of these ANSWER DOWNLOAD EXAMIANS APP
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