Fuels and Combustion Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. 500 10 0.5 50 500 10 0.5 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Methane Unsaturated hydrocarbons All of these Hydrogen Methane Unsaturated hydrocarbons All of these Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent. 7.5 14.5 10.5 2.5 7.5 14.5 10.5 2.5 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 Provides a lower rate of heat release Develops a non-luminous flame Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release Develops a non-luminous flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have High volatile matter content High caking index Very low ash content (8-10%) Low fusion point of ash High volatile matter content High caking index Very low ash content (8-10%) Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
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