Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Carbonisation Oxidation Coalification Gasification Carbonisation Oxidation Coalification Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coalification means the Process of conversion of lignite into anthracite Complete combustion of coal Underground gasification of coal Direct hydrogenation of coal Process of conversion of lignite into anthracite Complete combustion of coal Underground gasification of coal Direct hydrogenation of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of force moisture in coal is most disadvantageous during its Pulverisation Storage Washing Transportation and handling Pulverisation Storage Washing Transportation and handling ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Coking coals cannot be used Entrainment of solids is higher Larger quantity of coal can be processed Low carbon conversion efficiency is achieved Coking coals cannot be used Entrainment of solids is higher Larger quantity of coal can be processed Low carbon conversion efficiency is achieved ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Proper fuel preparation Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Proper fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides better control of furnace temperature All of these Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air Provides better control of furnace temperature All of these Provides higher thermal efficiency & flame temperature Facilitates combustion with lower excess air ANSWER DOWNLOAD EXAMIANS APP
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