Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using High amount/current of combustion air Preheated secondary air Low amount/current of combustion air Very little excess air High amount/current of combustion air Preheated secondary air Low amount/current of combustion air Very little excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of nitrogen in combustion air does not reduce the Flame temperature Any of the above Amount of heat liberated Flue gas temperature Flame temperature Any of the above Amount of heat liberated Flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Water gas constitutes mainly of CO & N₂ CH₄ & H₂ CO₂ & H₂ CO & H₂ CO & N₂ CH₄ & H₂ CO₂ & H₂ CO & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content, has lower Coke oven gas yield on carbonisation Ignition temperature Chance of catching fire during storage in open space Smoking tendency on burning Coke oven gas yield on carbonisation Ignition temperature Chance of catching fire during storage in open space Smoking tendency on burning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 1000 8000 6000 4000 1000 8000 6000 4000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of combustion air is done to Reduce its requirement for effecting the complete combustion Increase the adiabatic flame temperature Complete the combustion of fuel Increase the calorific value of the fuel Reduce its requirement for effecting the complete combustion Increase the adiabatic flame temperature Complete the combustion of fuel Increase the calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
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