Fuels and Combustion Caking index of the coal blend used for the manufacture of metallurgical coke should be around 40 5 21 48 40 5 21 48 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 Causes brittleness in steel Decreases the abrasion resistance of coke None of these Decreases the hardness of coke Causes brittleness in steel Decreases the abrasion resistance of coke None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 4% and M10 < 80% M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 4% and M10 < 80% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? None of these Blast furnace gas Coke oven gas Natural gas None of these Blast furnace gas Coke oven gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is 200 °C 200 °K 200 °R 200 °F 200 °C 200 °K 200 °R 200 °F ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that 21% excess oxygen has been used for combustion Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess air has been used for combustion 21% excess oxygen has been used for combustion Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP