Fuels and Combustion Efficient burning of anthracite coal requires High excess air Low preheat of air All of these Fine grinding High excess air Low preheat of air All of these Fine grinding ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Brittleness of steel made by using it Increase in its strength None of these Decrease in its calorific value Brittleness of steel made by using it Increase in its strength None of these Decrease in its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Coalification Variation of coal quality with depth Origin of coal Origin of petroleum oil Coalification Variation of coal quality with depth Origin of coal Origin of petroleum oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Calorific value of the fuel Speed of combustion of fuel Flame temperature achieved Heat transfer rate to the stock in the furnace Calorific value of the fuel Speed of combustion of fuel Flame temperature achieved Heat transfer rate to the stock in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? F. gas and coke oven gas Propane and LPG Sewage gas and gobar gas Propane and acetylene F. gas and coke oven gas Propane and LPG Sewage gas and gobar gas Propane and acetylene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? Natural gas Blast furnace gas None of these Coke oven gas Natural gas Blast furnace gas None of these Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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