Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 4.76 3.76 0.79 0.21 4.76 3.76 0.79 0.21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. None of these Carbonisation Gasification Hydrogenation None of these Carbonisation Gasification Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Shows little or no fusing action None of these Gives smokeless burning Burns completely Shows little or no fusing action None of these Gives smokeless burning Burns completely ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 35 80 20 55 35 80 20 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. Either the fuel or the air does not affect Combustion air decreases The gaseous fuel before combustion decreases Either the fuel or the air or both, increases Either the fuel or the air does not affect Combustion air decreases The gaseous fuel before combustion decreases Either the fuel or the air or both, increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Aliphatic tar is produced Free carbon in tar is more Ammonia yield is more All of these Aliphatic tar is produced Free carbon in tar is more Ammonia yield is more All of these ANSWER DOWNLOAD EXAMIANS APP
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