Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? None of these Less heat transfer surface area is required in boilers It can not burn low grade coal It achieves higher fuel combustion efficiency None of these Less heat transfer surface area is required in boilers It can not burn low grade coal It achieves higher fuel combustion efficiency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Furnace oil Coke oven gas Pulverised coal Lump coal (fixed on chain grate) Furnace oil Coke oven gas Pulverised coal Lump coal (fixed on chain grate) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 15 to 25 75 35 to 45 55 to 75 15 to 25 75 35 to 45 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Reactivity None of these Strength Hardness Reactivity None of these Strength Hardness ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Bituminous coal Aanthracite Semi-bituminous coal Coke Bituminous coal Aanthracite Semi-bituminous coal Coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fossil fuels mean Liquid fuels Premature fuels with low calorific value Those fuels which are found in the crust of earth Solid fuels Liquid fuels Premature fuels with low calorific value Those fuels which are found in the crust of earth Solid fuels ANSWER DOWNLOAD EXAMIANS APP
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