Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 10 20 12.5 0 10 20 12.5 0 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Either more or less; depends on the type of fuel Less than More than Equal to Either more or less; depends on the type of fuel Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal is accelerated by the Absence of porous or friable particles Storage in compressed piles All of these Storage in large heaps Absence of porous or friable particles Storage in compressed piles All of these Storage in large heaps ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 95 and 100 40 and 70 25 and 97 80 and 97 95 and 100 40 and 70 25 and 97 80 and 97 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C. Sensible and latent Sensible None of these Latent Sensible and latent Sensible None of these Latent ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Carbon Moisture Volatiles Ash Carbon Moisture Volatiles Ash ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS