Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 10 & 20 10 & 3 3 & 10 15 & 8 10 & 20 10 & 3 3 & 10 15 & 8 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Stack gas temperature All of these Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load Percentage of oxygen in flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it Accelerates the burning rate and economises on fuel combustion All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel combustion All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Increase the combustion rate Minimise the chances of clinker formation Convert CO to CO₂ Increase the gas production rate Increase the combustion rate Minimise the chances of clinker formation Convert CO to CO₂ Increase the gas production rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used For making electrodes As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) For making electrodes As moisture proof coating on fibres As a fuel in furnaces As moth balls (insecticides) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The shift conversion reaction taking place during water gas manufacture is given by None of these C + H₂O ⟷ CO + H₂ CO + H₂O ⟷ CO₂ + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ None of these C + H₂O ⟷ CO + H₂ CO + H₂O ⟷ CO₂ + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ ANSWER DOWNLOAD EXAMIANS APP