Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. Fischer-Tropsch Bergius Lurgi None of these Fischer-Tropsch Bergius Lurgi None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Decrease in the c.v. of coke oven gas Increase in its throughput No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in its throughput No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature All of these Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature All of these Facilitates combustion with lower excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because There are chances of explosion during preheating It reduces its flame temperature tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously There are chances of explosion during preheating It reduces its flame temperature tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of F. gas and coke oven gas Blast furnace gas and naphtha vapor Coke oven gas and converter gas Coke oven gas and L.P.G F. gas and coke oven gas Blast furnace gas and naphtha vapor Coke oven gas and converter gas Coke oven gas and L.P.G 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. 300 30, 000 3000 30 300 30, 000 3000 30 ANSWER DOWNLOAD EXAMIANS APP
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