Fuels and Combustion A good metallurgical coke Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should have low fusion point of its ash Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should have low fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Origin of petroleum oil Coalification Origin of coal Variation of coal quality with depth Origin of petroleum oil Coalification Origin of coal Variation of coal quality with depth ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is N₂ CH₄ CO₂ H₂ N₂ CH₄ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Preheating of fuel gases & combustion air Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel Preheating of fuel gases & combustion air Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Vitrain Clarain Durain Fussain Vitrain Clarain Durain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Develops a non-luminous flame Provides a lower rate of heat release Can be done with less excess air Develops a low temperature flame Develops a non-luminous flame Provides a lower rate of heat release Can be done with less excess air Develops a low temperature flame ANSWER DOWNLOAD EXAMIANS APP
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