Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be High Low Very high, if the fuel is of low calorific value None of these High Low Very high, if the fuel is of low calorific value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 35, 000 2500 10, 000 25, 000 35, 000 2500 10, 000 25, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Fine grinding All of these High excess air Low preheat of air Fine grinding All of these High excess air Low preheat of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in None of these Condensation of water vapour from the fuel gas Heat losses Long flame None of these Condensation of water vapour from the fuel gas Heat losses Long flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lignite is Can be used for gasification and steam generation A coking coal A black banded coal which burns with a non-smoky yellowish flame A high rank coal Can be used for gasification and steam generation A coking coal A black banded coal which burns with a non-smoky yellowish flame A high rank coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in gas pressure Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) All of these Increase in gas pressure Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) All of these ANSWER DOWNLOAD EXAMIANS APP