Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO & O₂ CO₂ & H₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO & O₂ CO₂ & H₂ CO₂ & O₂ CO (upto 65%) & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 2 10 5 0.1 2 10 5 0.1 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 55 to 75 35 to 45 75 15 to 25 55 to 75 35 to 45 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Young Both A & B Mature Neither A nor B Young Both A & B Mature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Blast furnace gas Refinery gas Converter gas Gobar gas Blast furnace gas Refinery gas Converter gas Gobar gas ANSWER DOWNLOAD EXAMIANS APP
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