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. In between 37 & 71% < 37% None of these >71% In between 37 & 71% < 37% None of these >71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Helpful in estimation of its rank Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Helpful in estimation of its rank ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in gas pressure All of these Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) Increase in gas pressure All of these Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Ammonia & phenol Benzene, toluene & xylene Tar & creosote Anthracene & phenol Ammonia & phenol Benzene, toluene & xylene Tar & creosote Anthracene & phenol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen. 22.4 Nm³ All of these 1kg mole 32 kg 22.4 Nm³ All of these 1kg mole 32 kg ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter. Junkar's Boy's None of these Bomb Junkar's Boy's None of these Bomb ANSWER DOWNLOAD EXAMIANS APP
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