Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Sulphur content Type (solid, liquid or gaseous) Calorific value Ignition temperature Sulphur content Type (solid, liquid or gaseous) Calorific value Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of soft coke is as __________ fuel. Blastfurnace None of these Foundary Domestic Blastfurnace None of these Foundary Domestic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Non-caking coal Coking coal Caking coal Pulverised coal Non-caking coal Coking coal Caking coal Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ionisation potential applied across the electrodes of electrostatic tar precipitator is around 230 V DC 60 KV DC 60 KV AC 230 V AC 230 V DC 60 KV DC 60 KV AC 230 V AC ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 29 21 19 23 29 21 19 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of dry wood may be around __________ Kcal/kg. 500 5 5000 50 500 5 5000 50 ANSWER DOWNLOAD EXAMIANS APP
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