Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Shortens the flame Causes heat loss of fuel by its partial combustion Both A & B Lengthens the flame Shortens the flame Causes heat loss of fuel by its partial combustion Both A & B Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 18 12 6 24 18 12 6 24 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Carbonisation Gasification Coalification Deoxidation Carbonisation Gasification Coalification Deoxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product fuel? Refinery gas Pitch Petrol Blast furnace gas Refinery gas Pitch Petrol Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray King Assay and Swelling Index of a coal is a measure of its Agglutinating properties Swelling characteristics Abradability Resistance to impact breakage Agglutinating properties Swelling characteristics Abradability Resistance to impact breakage ANSWER DOWNLOAD EXAMIANS APP
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