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 Hydrogen All of these Methane Unsaturated hydrocarbons Hydrogen All of these Methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas burns with a bluish flame, because of the presence of CH₄ S CO₂ CO CH₄ S CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Power alcohol as compared to straight run gasoline has lower Viscosity Octane number Specific gravity Calorific value Viscosity Octane number Specific gravity Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. Colour of %of CO₂ in % of O₂in Temperature of Colour of %of CO₂ in % of O₂in Temperature of ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is No possibility of obtaining complete combustion at high temperature Both A & B Neither A nor B Always loss of heat from the flame No possibility of obtaining complete combustion at high temperature Both A & B Neither A nor B Always loss of heat from the flame 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