Fuels and Combustion Coking coals are invariably Lignites Semi-anthracites Anthracites Bituminous coals Lignites Semi-anthracites Anthracites Bituminous coals ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross and net calorific value of a fuel will be the same Ifits carbon content is very low If its ash content is zero Under no circumstances If its hydrogen/hydrogen compound content is zero Ifits carbon content is very low If its ash content is zero Under no circumstances If its hydrogen/hydrogen compound content is zero ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. 80-170 250-270 200-300 280-300 80-170 250-270 200-300 280-300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas from the heating chamber of byproduct coke ovens is removed by Steam ejector Forced draft fan Induced draft fan Natural draft Steam ejector Forced draft fan Induced draft fan Natural draft ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C. 105 70 85 145 105 70 85 145 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 15 & 8 10 & 20 10 & 3 3 & 10 15 & 8 10 & 20 10 & 3 3 & 10 ANSWER DOWNLOAD EXAMIANS APP
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