Fuels and Combustion Coals used for the generation of producer gas should have Very low ash content (8-10%) Low fusion point of ash High volatile matter content High caking index Very low ash content (8-10%) Low fusion point of ash High volatile matter content High caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) NCV at constant volume GCV at constant volume GCV at constant pressure NCV at constant pressure NCV at constant volume GCV at constant volume GCV at constant pressure NCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Very low calorific value coke oven gas Soft coke Metallurgical coke No by-products Very low calorific value coke oven gas Soft coke Metallurgical coke No by-products ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is CO CH₄ CO₂ H₂ CO CH₄ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Octane number of 2, 2, 4 - trimethyl pen-tane is In between 0 and 100 More than 100 100 In between 0 and 100 More than 100 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal 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 Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All of these ANSWER DOWNLOAD EXAMIANS APP
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