Fuels and Combustion Cannel coal Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Has a high volatile matter content and burns with a luminous smoky flame Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Has a high volatile matter content and burns with a luminous smoky flame Is non-coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal All of these Hard semi-coke starts shrinking at 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C All of these Hard semi-coke starts shrinking at 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. CO content O₂ content CO₂ content Dew point CO content O₂ content CO₂ content Dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 3-5 60-65 25-30 95-100 3-5 60-65 25-30 95-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Orsat apparatus Gives flue gas analysis on dry basis Determines N₂ in flue gas indirectly All of these Can Gives flue gas analysis on dry basis Determines N₂ in flue gas indirectly All of these Can ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 20 2 38 11 20 2 38 11 ANSWER DOWNLOAD EXAMIANS APP