Fuels and Combustion Efficient burning of anthracite coal requires High excess air Low preheat of air All of these Fine grinding High excess air Low preheat of air All of these Fine grinding ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Lower strength Higher reactivity Lower bulk density All of these Lower strength Higher reactivity Lower bulk density All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Too much air for combustion Pulverised coal in boilers Correct amount of air for combustion Less air for combustion Too much air for combustion Pulverised coal in boilers Correct amount of air for combustion Less air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having Higher methane content and thus higher calorific value Higher carbon monoxide content None of these Lower carbon dioxide content Higher methane content and thus higher calorific value Higher carbon monoxide content None of these Lower carbon dioxide content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability Lower ignition temperature Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability Lower ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Iron sulphate Lime and magnesia Iron silicate All of these Iron sulphate Lime and magnesia Iron silicate All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS