Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 48 18 8 80 48 18 8 80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Carburetted water gas Oil refinery gas Blast furnace gas Coke oven gas Carburetted water gas Oil refinery gas Blast furnace gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Young Neither A nor B Both A & B Mature Young Neither A nor B Both A & B Mature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Pulverised coke Coke oven gas Tar Pitch Pulverised coke Coke oven gas Tar Pitch ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Ash content increases Moisture content increases Volatile matter content increases Carbon content decreases Ash content increases Moisture content increases Volatile matter content increases Carbon content decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Is more for low volatile coal compared to high volatile coal Decreases with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Does not vary with increase in surface area Is more for low volatile coal compared to high volatile coal Decreases with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Does not vary with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
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