Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Olefins Aromatic compounds Alphatic compounds Paraffins Olefins Aromatic compounds Alphatic compounds Paraffins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Supply of excess air for complete combustion of fuel is necessitated to facilitate Its thorough mixing with air Attainment of chemical equilibrium Attainment of high temperature None of these Its thorough mixing with air Attainment of chemical equilibrium Attainment of high temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a manufactured fuel ? Semi-coke Kerosene Furnace oil Bagasse Semi-coke Kerosene Furnace oil Bagasse ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter can be used to determine the __________ of the coal. Neither A nor B Calorific value Both A & B Sulphur content Neither A nor B Calorific value Both A & B Sulphur content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Risk of explosion Chances of clinker formation Incomplete combustion of coal Requirement of large volume combustion chamber Risk of explosion Chances of clinker formation Incomplete combustion of coal Requirement of large volume combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Can be done with less excess air Develops a non-luminous flame Develops a low temperature flame Provides a lower rate of heat release Can be done with less excess air Develops a non-luminous flame Develops a low temperature flame Provides a lower rate of heat release ANSWER DOWNLOAD EXAMIANS APP
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