Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Unsaturated hydrocarbons Methane All of these Hydrogen Unsaturated hydrocarbons Methane All of these Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? High power consumption in its transportation Erosion of induced draft fan blades Excessive fly-ash discharge from the stack Ash disposal problem High power consumption in its transportation Erosion of induced draft fan blades Excessive fly-ash discharge from the stack Ash disposal problem ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Smoke point Kindling temperature Burning temperature Fire point Smoke point Kindling temperature Burning temperature Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 0.5 23 12 11.5 0.5 23 12 11.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its S & P content Fusion point of ash Heating value None of these S & P content Fusion point of ash Heating value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most poisonous gas? Producer gas L.D. converter gas Coke oven gas Blast furnace gas Producer gas L.D. converter gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
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