Fuels and Combustion Lignite is 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 Can be used for gasification and steam generation A coking coal A black banded coal which burns with a non-smoky yellowish flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs SO₂ CO₂ Neither A nor B Both A & B SO₂ CO₂ Neither A nor B Both A & B 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) ? Blast furnace coke Anthracite coal Sub-bituminous coal Low temperature coke Blast furnace coke Anthracite coal Sub-bituminous coal Low temperature coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 18 28 36 6 18 28 36 6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls None of these Increases the loss of fine coal dust from the ovens when charging Reduces the coking time Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls None of these Increases the loss of fine coal dust from the ovens when charging Reduces the coking time ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Minimise the chances of clinker formation Convert CO to CO₂ Increase the gas production rate Increase the combustion rate Minimise the chances of clinker formation Convert CO to CO₂ Increase the gas production rate Increase the combustion rate ANSWER DOWNLOAD EXAMIANS APP