Fuels and Combustion Which of the following has the highest gross calorific value? Coke oven gas Blast furnace gas Oil refinery gas Carburetted water gas Coke oven gas Blast furnace gas Oil refinery gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Sewage gas Blast furnace gas Coke oven gas Natural gas Sewage gas Blast furnace gas Coke oven gas Natural gas 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 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 Fine sizes without the presence of any lump ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? Coke oven gas Blast furnace gas Natural gas None of these Coke oven gas Blast furnace gas Natural gas None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. CO CH₄ H₂O CO₂ CO CH₄ H₂O CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always < 1 Unpredictable 1 > 1 < 1 Unpredictable 1 > 1 ANSWER DOWNLOAD EXAMIANS APP