Fuels and Combustion Which of the following has the highest flame velocity? C₂H₆ H₂ CH₄ CO C₂H₆ H₂ CH₄ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Increases the loss of fine coal dust from the ovens when charging Reduces the coking time Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls None of these Increases the loss of fine coal dust from the ovens when charging Reduces the coking time Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 1 7 22 46 1 7 22 46 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used for the determination of calorific value of the __________ fuels. Liquid Gaseous Both B and C Solid Liquid Gaseous Both B and C Solid ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Provides a lower rate of heat release Can be done with less excess air Develops a low temperature flame Develops a non-luminous flame Provides a lower rate of heat release Can be done with less excess air Develops a low temperature flame Develops a non-luminous flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Exothermic Catalytic Autocatalytic Endothermic Exothermic Catalytic Autocatalytic Endothermic ANSWER DOWNLOAD EXAMIANS APP