Fuels and Combustion Which of the following has the highest flame velocity? H₂ CO C₂H₆ CH₄ H₂ CO C₂H₆ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat coals' are those coals which have very high Fusion point of its ash Inherent moisture content Caking capacity Volatile matter content Fusion point of its ash Inherent moisture content Caking capacity Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Both B and C Ignites less easily than anthracite Burns with smoky yellow flame Is generally coking Both B and C Ignites less easily than anthracite Burns with smoky yellow flame Is generally coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Aanthracite Bituminous coal Semi-bituminous coal Coke Aanthracite Bituminous coal Semi-bituminous coal Coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of pulverised coal in boiler furnace provides Less erosion on furnace walls High calorific value Smokeless burning Better combustion Less erosion on furnace walls High calorific value Smokeless burning Better combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Removing ash from the coal based on difference in specific gravity of coal and ash All of these Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash All of these Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) ANSWER DOWNLOAD EXAMIANS APP