Fuels and Combustion Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³. 30, 000 3000 300 30 30, 000 3000 300 30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. Increases Remains same Decreases May increase or decrease depending on the type of fuel Increases Remains same Decreases May increase or decrease depending on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 95 and 100 40 and 70 80 and 97 25 and 97 95 and 100 40 and 70 80 and 97 25 and 97 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Pulverised coal Lump coal (fixed on chain grate) Coke oven gas Furnace oil Pulverised coal Lump coal (fixed on chain grate) Coke oven gas Furnace oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Turndown ratio of a gas burner is equal to the Both A & B Maximum to minimum heat input ratio Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate Both A & B Maximum to minimum heat input ratio Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal is accelerated by the Storage in large heaps Absence of porous or friable particles All of these Storage in compressed piles Storage in large heaps Absence of porous or friable particles All of these Storage in compressed piles ANSWER DOWNLOAD EXAMIANS APP
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