Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 8000 6000 4000 1000 8000 6000 4000 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of Ammonia None of these Benzol Tar Ammonia None of these Benzol Tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³. 30 300 3000 30, 000 30 300 3000 30, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lignite is A high rank coal A coking coal A black banded coal which burns with a non-smoky yellowish flame Can be used for gasification and steam generation A high rank coal A coking coal A black banded coal which burns with a non-smoky yellowish flame Can be used for gasification and steam generation 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) Increase in gas pressure All of these Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) Increase in gas pressure All of these Use of pure oxygen for combustion instead of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Anthracite coal Sub-bituminous coal Blast furnace coke Low temperature coke Anthracite coal Sub-bituminous coal Blast furnace coke Low temperature coke ANSWER DOWNLOAD EXAMIANS APP