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 Cannel coal and boghead coal are the examples of Sapropelic coals None of these Liptobiolites Humic coals Sapropelic coals None of these Liptobiolites Humic coals ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High sulphur Low fusion point of ash High ash content None of these High sulphur Low fusion point of ash High ash content None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? Carburetted water gas LPG Gobar gas Natural gas Carburetted water gas LPG Gobar gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not Produced by low temperature carbonisation of coal None of these Used in blast furnaces A domestic fuel Produced by low temperature carbonisation of coal None of these Used in blast furnaces A domestic fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal 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 Can be done with less excess air Develops a non-luminous flame ANSWER DOWNLOAD EXAMIANS APP
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