Fuels and Combustion For long flame and easy ignition, the coal used should have High volatile matter Low ash High calorific value High ash High volatile matter Low ash High calorific value High ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel Supply of excess air None of these Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel Supply of excess air None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. %of CO₂ in Temperature of % of O₂in Colour of %of CO₂ in Temperature of % of O₂in Colour of ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Controlling the dust nuisance while charging the coal All of these Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal All of these Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Prevention of clinker formation in the oven ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is called "blue gas"? Water gas Coke oven gas Producer gas Natural gas Water gas Coke oven gas Producer gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following, which is the most important parameter for the blast furnace grade coke? CSR & CRI Volatile matter content Moisture content Ash content CSR & CRI Volatile matter content Moisture content Ash content ANSWER DOWNLOAD EXAMIANS APP