Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? Less heat transfer surface area is required in boilers It can not burn low grade coal It achieves higher fuel combustion efficiency None of these Less heat transfer surface area is required in boilers It can not burn low grade coal It achieves higher fuel combustion efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Develops a low temperature flame Can be done with less excess air Develops a non-luminous flame Provides a lower rate of heat release Develops a low temperature flame Can be done with less excess air Develops a non-luminous flame Provides a lower rate of heat release ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Durain Fussain Vitrain Clarain Durain Fussain Vitrain Clarain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Carburetted water gas Blast furnace gas Coke oven gas Oil refinery gas Carburetted water gas Blast furnace gas Coke oven gas Oil refinery gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³. 2 1 4 6 2 1 4 6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ has the widest inflammability limit (explosion limit) of all the gases. Methane Hydrogen Acetylene Carbon monoxide Methane Hydrogen Acetylene Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP