Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Unsaturated hydrocarbons All of these Hydrogen Methane Unsaturated hydrocarbons All of these Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of hard coke produced by high temperature carbonisation is in the Cupola in foundaries Domestic ovens Iron blast furnace Sinter making Cupola in foundaries Domestic ovens Iron blast furnace Sinter making ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have Less moisture content Lower ash content High bulk density High fusion point of its ash Less moisture content Lower ash content High bulk density High fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Supply of excess air for complete combustion of fuel is necessitated to facilitate Its thorough mixing with air None of these Attainment of chemical equilibrium Attainment of high temperature Its thorough mixing with air None of these Attainment of chemical equilibrium Attainment of high temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter can be used to determine the __________ of the coal. Calorific value Neither A nor B Sulphur content Both A & B Calorific value Neither A nor B Sulphur content Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Under pressurising Banking Back draughting None of these Under pressurising Banking Back draughting None of these ANSWER DOWNLOAD EXAMIANS APP
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