Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. More or less ; (depends on the state of fuel.) Equal Less More More or less ; (depends on the state of fuel.) Equal Less More ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Badly affects the quality of steel Reduces its calorific value Increases its caking power Is not undersirable Badly affects the quality of steel Reduces its calorific value Increases its caking power Is not undersirable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1350 1100 1400 1250 1350 1100 1400 1250 ANSWER DOWNLOAD EXAMIANS APP
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 Methane All of these Hydrogen Unsaturated hydrocarbons Methane All of these Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Anthracite Lignite Bituminous Semi-anthracite Anthracite Lignite Bituminous Semi-anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of methane in coke oven gas may be around 25 15 50 5 25 15 50 5 ANSWER DOWNLOAD EXAMIANS APP