Fuels and Combustion Calorific value of dry wood may be around __________ Kcal/kg. 50 5 5000 500 50 5 5000 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 79 21 29 77 79 21 29 77 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Foundary coke Beehive coke Petroleum coke Metallurgical coke Foundary coke Beehive coke Petroleum coke Metallurgical coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Low preheat of air Fine grinding All of these High excess air Low preheat of air Fine grinding All of these High excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Preheated secondary air Very little excess air Low amount/current of combustion air High amount/current of combustion air Preheated secondary air Very little excess air Low amount/current of combustion air High amount/current of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Facilitates combustion with lower excess air Provides better control of furnace temperature Provides higher thermal efficiency & flame temperature All of these Facilitates combustion with lower excess air Provides better control of furnace temperature Provides higher thermal efficiency & flame temperature All of these ANSWER DOWNLOAD EXAMIANS APP