Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? C + H₂O ⟷ CO + H₂ CO + H₂O ⟷ CO₂ + H₂ 2CO ⟷ C + CO₂ C + 2H₂O ⟷ CO₂ + 2H₂ C + H₂O ⟷ CO + H₂ CO + H₂O ⟷ CO₂ + H₂ 2CO ⟷ C + CO₂ C + 2H₂O ⟷ CO₂ + 2H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fuel' can be defined as a substance which produces heat by Nuclear fission Nuclear fusion All of these Combustion Nuclear fission Nuclear fusion All of these Combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to Completely burn the volatile matter None of these Pneumatically convey the pulverised coal Burn the lumpy coal Completely burn the volatile matter None of these Pneumatically convey the pulverised coal Burn the lumpy coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Burns with smoky yellow flame Both B and C Ignites less easily than anthracite Is generally coking Burns with smoky yellow flame Both B and C Ignites less easily than anthracite Is generally coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick out the wrong statement. Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal None of these Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal None of these Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Metallurgical coke Foundary coke Beehive coke Petroleum coke Metallurgical coke Foundary coke Beehive coke Petroleum coke ANSWER DOWNLOAD EXAMIANS APP