Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 20 10 5 35 20 10 5 35 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 85 70 145 105 85 70 145 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 Fuel consumption in coke making can be reduced by Dry quenching of coke Stamped charging of coal All of these Preheating, blending and de-ashing the coal Dry quenching of coke Stamped charging of coal All of these Preheating, blending and de-ashing the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Gasification Cracking Partial oxidation Reforming Gasification Cracking Partial oxidation Reforming ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High excess air in combustion of fuels results in Increased fuel consumption Smoky flame Incomplete combustion None of these Increased fuel consumption Smoky flame Incomplete combustion None of these ANSWER DOWNLOAD EXAMIANS APP
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