Fuels and Combustion Which is the most matured coal? Bituminous Semi-anthracite Anthracite Lignite Bituminous Semi-anthracite Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 40 20 4 96 40 20 4 96 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Smoke Temperature Carbon monoxide Oxygen Smoke Temperature Carbon monoxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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. < 37% None of these In between 37 & 71% >71% < 37% None of these In between 37 & 71% >71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 1.1 A M = 0.5 A M = A M = 1.8 A M = 1.1 A M = 0.5 A M = A M = 1.8 A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its None of these Caking power Oxygen content Calorific value None of these Caking power Oxygen content Calorific value ANSWER DOWNLOAD EXAMIANS APP