Fuels and Combustion Nitrogen in coal Is present upto 1-2% Is recovered as ammonia during its carbonisation All of these Comes from protein in parent vegetable matter Is present upto 1-2% Is recovered as ammonia during its carbonisation All of these Comes from protein in parent vegetable matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Very little excess air High amount/current of combustion air Low amount/current of combustion air Preheated secondary air Very little excess air High amount/current of combustion air Low amount/current of combustion air Preheated secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. Lurgi Bergius Fischer-Tropsch None of these Lurgi Bergius Fischer-Tropsch None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of coke oven gas is N₂ CH₄ CO₂ H₂ N₂ CH₄ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Oxygen Ash Volatile matter Fixed carbon Oxygen Ash Volatile matter Fixed carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Reduces the coking time Increases the loss of fine coal dust from the ovens when charging None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Reduces the coking time Increases the loss of fine coal dust from the ovens when charging None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls ANSWER DOWNLOAD EXAMIANS APP
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