Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Sulphur content Difference in gross & net calorific value Higher C/H ratio Calorific value Sulphur content Difference in gross & net calorific value Higher C/H ratio Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces No by-products Very low calorific value coke oven gas Metallurgical coke Soft coke No by-products Very low calorific value coke oven gas Metallurgical coke Soft coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Smoke point Kindling temperature Burning temperature Fire point Smoke point Kindling temperature Burning temperature Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Increase Decrease May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease May increase or decrease ; depends on the quantity of products of combustion Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of Coke oven gas and converter gas Blast furnace gas and naphtha vapor Coke oven gas and L.P.G F. gas and coke oven gas Coke oven gas and converter gas Blast furnace gas and naphtha vapor Coke oven gas and L.P.G F. gas and coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Decreases the hardness of coke None of these Causes brittleness in steel Decreases the abrasion resistance of coke Decreases the hardness of coke None of these Causes brittleness in steel Decreases the abrasion resistance of coke ANSWER DOWNLOAD EXAMIANS APP
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