Fuels and Combustion A sooty flame can be made non-luminous by Admitting more gas Admitting more air Shutting air supply Shutting gas supply Admitting more gas Admitting more air Shutting air supply Shutting gas supply ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Does not alter its calorific value Decreases its calorific value Is not possible on commerical scale Increases its calorific value Does not alter its calorific value Decreases its calorific value Is not possible on commerical scale Increases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Both A & B Vitrain Fussain Neither A nor B Both A & B Vitrain Fussain Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Burns with smoky yellow flame Ignites less easily than anthracite Is generally coking Both B and C Burns with smoky yellow flame Ignites less easily than anthracite Is generally coking Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Lignite Sub-bituminous Semi-anthracite Bituminous Lignite Sub-bituminous Semi-anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Decrease in its caking capacity All of these Reduction in coal size Increase in its friability Decrease in its caking capacity All of these Reduction in coal size Increase in its friability ANSWER DOWNLOAD EXAMIANS APP