Fuels and Combustion Yield of blast furnace gas is about __________ Nm³ /ton of pig iron. 5000 2000 10000 300 5000 2000 10000 300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air All of these Increase in gas pressure Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air All of these Increase in gas pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following oil gasification processes is non-catalytic? Semet-Solvay process Steam reforming of naphtha Segas process Onia-Gegi process Semet-Solvay process Steam reforming of naphtha Segas process Onia-Gegi process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Sulphur content Calorific value Ignition temperature Type (solid, liquid or gaseous) Sulphur content Calorific value Ignition temperature Type (solid, liquid or gaseous) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Ash content in the fuel Flue gases Incomplete combustion Unburnt carbon in flue gases Ash content in the fuel Flue gases Incomplete combustion Unburnt carbon in flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Provide trouble free operation Enhance its calorific value Ensure its complete combustion Facilitate easy ash removal Provide trouble free operation Enhance its calorific value Ensure its complete combustion Facilitate easy ash removal ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS