Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Ignition temperature Type (solid, liquid or gaseous) Calorific value Sulphur content Ignition temperature Type (solid, liquid or gaseous) Calorific value Sulphur content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. Colour of % of O₂in Temperature of %of CO₂ in Colour of % of O₂in Temperature of %of CO₂ in ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Pulverised fuel Plastics Perfumes Insecticides Pulverised fuel Plastics Perfumes Insecticides ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Moisture Iron Volatiles Ash Moisture Iron Volatiles Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For maximum discharge through a chimney, its height should be 200 meters More than 105.7 metres Infinitely long Equal to the height of the hot gas column producing draught 200 meters More than 105.7 metres Infinitely long Equal to the height of the hot gas column producing draught ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of producer gas is around __________ kcal/Nm³ 500 9000 4500 1300 500 9000 4500 1300 ANSWER DOWNLOAD EXAMIANS APP
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