Fuels and Combustion Number of macrocomponents present in coal according to Stopes are Four Two Six Five Four Two Six Five ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Coke oven gas Lump coal (fixed on chain grate) Pulverised coal Furnace oil Coke oven gas Lump coal (fixed on chain grate) Pulverised coal Furnace oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Water gas constitutes mainly of CH₄ & H₂ CO & N₂ CO₂ & H₂ CO & H₂ CH₄ & H₂ CO & N₂ CO₂ & H₂ CO & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Higher amount of methane Both A & B Higher amount of both methane and hydrogen Lower amount of hydrogen Higher amount of methane Both A & B Higher amount of both methane and hydrogen Lower amount of hydrogen 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 Fine sizes without the presence of any lump Large heaps with small surface to volume ratio Shallow and small piles Closed space without any ventilation facility Fine sizes without the presence of any lump Large heaps with small surface to volume ratio Shallow and small piles Closed space without any ventilation facility ANSWER DOWNLOAD EXAMIANS APP