Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Lower hydrogen content Both A & B Higher calorific value Neither A nor B Lower hydrogen content Both A & B Higher calorific value Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Boudouard Neumann reversal Reduction Shift conversion Boudouard Neumann reversal Reduction Shift conversion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Micum Index of a coke is a measure of its Porosity Reactivity Bulk density Hardness & strength Porosity Reactivity Bulk density Hardness & strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Coke oven gas Furnace oil Pulverised coal Lump coal (fixed on chain grate) Coke oven gas Furnace oil Pulverised coal Lump coal (fixed on chain grate) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of tar is about __________ Kcal/kg. 5000 8800 12000 16000 5000 8800 12000 16000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if It contains large amount of volatile matter It is stored in tall heaps All of these Smaller fines are stored in large quantity It contains large amount of volatile matter It is stored in tall heaps All of these Smaller fines are stored in large quantity ANSWER DOWNLOAD EXAMIANS APP
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