Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Not related to Higher than Same as Lower than Not related to Higher than Same as Lower than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Molasses Pitch Tar Line Molasses Pitch Tar Line ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal and boghead coal are the examples of Sapropelic coals Humic coals None of these Liptobiolites Sapropelic coals Humic coals None of these Liptobiolites ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Free carbon in tar is more All of these Aliphatic tar is produced Ammonia yield is more Free carbon in tar is more All of these Aliphatic tar is produced Ammonia yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal is done to reduce the Adhering impurities Mineral matter Both B and C Inherent impurities Adhering impurities Mineral matter Both B and C Inherent impurities ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature Facilitates combustion with lower excess air All of these Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature Facilitates combustion with lower excess air All of these ANSWER DOWNLOAD EXAMIANS APP