Fuels and Combustion Supply of excess air for complete combustion of fuel is necessitated to facilitate Its thorough mixing with air Attainment of high temperature None of these Attainment of chemical equilibrium Its thorough mixing with air Attainment of high temperature None of these Attainment of chemical equilibrium ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. All of these Hydrogen Methane Unsaturated hydrocarbons All of these Hydrogen Methane Unsaturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Transport the coal to the burner Reduce primary air requirement Dry the coal Ensure efficient burning of coal around the burner Transport the coal to the burner Reduce primary air requirement Dry the coal Ensure efficient burning of coal around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Beehive coke Metallurgical coke Petroleum coke Foundary coke Beehive coke Metallurgical coke Petroleum coke Foundary coke 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. 70 145 85 105 70 145 85 105 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 5000 1000 50 10000 5000 1000 50 10000 ANSWER DOWNLOAD EXAMIANS APP
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