Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Paraffins Olefins Aromatic compounds Alphatic compounds Paraffins Olefins Aromatic compounds Alphatic compounds ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Metallurgical coke No by-products Soft coke Very low calorific value coke oven gas Metallurgical coke No by-products Soft coke Very low calorific value coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 12.5 0 20 10 12.5 0 20 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Is generally coking Burns with smoky yellow flame Ignites less easily than anthracite Both B and C Is generally coking Burns with smoky yellow flame Ignites less easily than anthracite Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be High Low None of these Very high, if the fuel is of low calorific value High Low None of these Very high, if the fuel is of low calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Moisture loss Dry gas/stack gas loss Incomplete combustion All of these Moisture loss Dry gas/stack gas loss Incomplete combustion All of these ANSWER DOWNLOAD EXAMIANS APP
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