Fuels and Combustion The heat of combustion of a fuel Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Difference in gross & net calorific value of the coke oven gas Yield percentage of coke Yield of ammonia present in coke oven gas Free carbon content in tar Difference in gross & net calorific value of the coke oven gas Yield percentage of coke Yield of ammonia present in coke oven gas Free carbon content in tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Tar yield is less but free carbon in tar is more Coke oven gas yield is more All of these Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more Coke oven gas yield is more All of these Calorific value of coke oven gas is less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Ignition temperature Calorific value Sulphur content Type (solid, liquid or gaseous) Ignition temperature Calorific value Sulphur content Type (solid, liquid or gaseous) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ionisation potential applied across the electrodes of electrostatic tar precipitator is around 60 KV DC 60 KV AC 230 V DC 230 V AC 60 KV DC 60 KV AC 230 V DC 230 V AC ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fossil fuels mean Liquid fuels Those fuels which are found in the crust of earth Premature fuels with low calorific value Solid fuels Liquid fuels Those fuels which are found in the crust of earth Premature fuels with low calorific value Solid fuels ANSWER DOWNLOAD EXAMIANS APP
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