Fuels and Combustion Main constituent of natural gas is H₂ C₂H₆ C₃H₈ CH₄ (upto 90%) H₂ C₂H₆ C₃H₈ CH₄ (upto 90%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Increases None of these Remains constant Decreases Increases None of these Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 30-33 1-2 22-26 10-15 30-33 1-2 22-26 10-15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 15, 000 5000 10, 000 25, 000 15, 000 5000 10, 000 25, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Coke oven battery heating Hot scarfing of steel slabs Steel ladle drying Mixing with blast furnace gas Coke oven battery heating Hot scarfing of steel slabs Steel ladle drying Mixing with blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Neumann reversal Reduction Boudouard Shift conversion Neumann reversal Reduction Boudouard Shift conversion ANSWER DOWNLOAD EXAMIANS APP
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