Fuels and Combustion During the carbonisation of coal Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All of these All tar is evolved at < 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All of these All tar is evolved at < 600°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & CO N₂ & H₂ CH₄ & CO₂ N₂ & CH₄ N₂ & CO N₂ & H₂ CH₄ & CO₂ N₂ & CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of the gas produced from a gobar gas plant is H₂ CO₂ CO CH₄ H₂ CO₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Ash Volatile matter Moisture Sulphur (4-6%) Ash Volatile matter Moisture Sulphur (4-6%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. All of these Methane Unsaturated hydrocarbons Hydrogen All of these Methane Unsaturated hydrocarbons Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a primary fuel? Wood charcoal Natural gas Gasoline Blast furnace coke Wood charcoal Natural gas Gasoline Blast furnace coke ANSWER DOWNLOAD EXAMIANS APP