Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 10 2 5 0.1 10 2 5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High ash Low ash High volatile matter High calorific value High ash Low ash High volatile matter High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of carbon monoxide in blast furnace gas may be around 52 14 22 8 52 14 22 8 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Volatile matter in coke is zero Temperature maintained is 700°C Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal Volatile matter in coke is zero Temperature maintained is 700°C Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Shallow and small piles Closed space without any ventilation facility Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Shallow and small piles Closed space without any ventilation facility ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the dew point of flue gases Increases May increase or decrease ; depends on the type of fuel Decreases Remains same Increases May increase or decrease ; depends on the type of fuel Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
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