Fuels and Combustion Main use of soft coke is as __________ fuel. Foundary Domestic Blastfurnace None of these Foundary Domestic Blastfurnace None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air Increase in gas pressure All of these Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air Increase in gas pressure All of these 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 High rate of heating of coke ovens Increases the time of carbonisation None of these Produces larger size coke May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation None of these Produces larger size coke May damage its walls due to abrupt excessive swelling of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 24 12 6 18 24 12 6 18 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cooling medium used in dry quenching of coke is Nitrogen Phenolic water Carbon dioxide Air Nitrogen Phenolic water Carbon dioxide Air ANSWER DOWNLOAD EXAMIANS APP
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