Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump Shallow and small piles Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump Shallow and small piles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Oxygen Hydrocarbons Hydrogen Carbon monoxide Oxygen Hydrocarbons Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 8 36 12 22 8 36 12 22 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of the coal blend used for the manufacture of metallurgical coke should be around 5 21 48 40 5 21 48 40 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mott and Wheeler test is conducted on coke to find its Phosphorus content Abradability Volatile matter content Reactivity with O₂ Phosphorus content Abradability Volatile matter content Reactivity with O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fussain Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal All of these Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal All of these Is friable, charcoal like substance ANSWER DOWNLOAD EXAMIANS APP