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. 96 4 20 40 96 4 20 40 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Decreases Remains constant Increases None of these Decreases Remains constant Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Variation of coal quality with depth Origin of coal Origin of petroleum oil Coalification Variation of coal quality with depth Origin of coal Origin of petroleum oil Coalification 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 Sensible and latent Latent None of these Sensible Sensible and latent Latent None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Oxygen Fixed carbon Volatile matter Ash Oxygen Fixed carbon Volatile matter Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of of blast furnace gas is around __________ KCal/Nm³. 6500 1800 4200 850 6500 1800 4200 850 ANSWER DOWNLOAD EXAMIANS APP
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