Fuels and Combustion Coking coals are invariably Semi-anthracites Lignites Anthracites Bituminous coals Semi-anthracites Lignites Anthracites Bituminous coals ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours High production of CO Low production of CO₂ Both B and C High production of CO₂ High production of CO Low production of CO₂ Both B and C High production of CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke ovens in steel plant are heated by Electricity Mixed gas Both B & C Coke oven gas Electricity Mixed gas Both B & C Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal All tar is evolved at < 600°C All of these Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All tar is evolved at < 600°C All of these Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 15, 000 25, 000 5000 10, 000 15, 000 25, 000 5000 10, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Bituminous coal Anthracite Lignite High temperature coke (V.M < 0.5%) Bituminous coal Anthracite Lignite High temperature coke (V.M < 0.5%) ANSWER DOWNLOAD EXAMIANS APP
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