Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using 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 High amount/current of combustion air Preheated secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the Increase in its oxygen content Decrease in its caking power & calorific value Decrease in its carbon & hydrogen content All of these Increase in its oxygen content Decrease in its caking power & calorific value Decrease in its carbon & hydrogen content All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Neither A nor B Both A & B Young Mature Neither A nor B Both A & B Young Mature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat coals' are those coals which have very high Inherent moisture content Caking capacity Volatile matter content Fusion point of its ash Inherent moisture content Caking capacity Volatile matter content Fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Increases its calorific value Is not possible on commerical scale Does not alter its calorific value Decreases its calorific value Increases its calorific value Is not possible on commerical scale Does not alter its calorific value Decreases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³. 1 6 4 2 1 6 4 2 ANSWER DOWNLOAD EXAMIANS APP