Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 3200 10200 5400 1800 3200 10200 5400 1800 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 6500 1500 500 20000 6500 1500 500 20000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Advantages of fluidised bed combustion are High heat transfer rate Reduced NOx formation in flue gas Lower furnace operating temperature All of these High heat transfer rate Reduced NOx formation in flue gas Lower furnace operating temperature All of these 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 Latent Sensible and latent None of these Sensible Latent Sensible and latent None of these ANSWER DOWNLOAD EXAMIANS APP
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 20 12.5 10 0 20 12.5 10 0 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Octane number of 2, 2, 4 - trimethyl pen-tane is 100 In between 0 and 100 More than 100 100 In between 0 and 100 More than 100 ANSWER DOWNLOAD EXAMIANS APP