Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. >71% None of these In between 37 & 71% < 37% >71% None of these In between 37 & 71% < 37% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always 1 < 1 > 1 Unpredictable 1 < 1 > 1 Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Plastics Pulverised fuel Perfumes Insecticides Plastics Pulverised fuel Perfumes Insecticides ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Orsat apparatus Determines Nā in flue gas indirectly Can Gives flue gas analysis on dry basis All of these Determines Nā in flue gas indirectly Can Gives flue gas analysis on dry basis All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Fast & slow Slow & high Fast & high Slow & low Fast & slow Slow & high Fast & high Slow & low ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these ANSWER DOWNLOAD EXAMIANS APP
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