Fuels and Combustion A good metallurgical coke Should have low fusion point of its ash Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should have low fusion point of its ash Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Prevention of clinker formation in the oven All of these Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Prevention of clinker formation in the oven All of these Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? Natural gas Producer gas LPG Sewage gas Natural gas Producer gas LPG Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Low preheat of air Fine grinding All of these High excess air Low preheat of air Fine grinding All of these High excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Ammonia & phenol Anthracene & phenol Tar & creosote Benzene, toluene & xylene Ammonia & phenol Anthracene & phenol Tar & creosote Benzene, toluene & xylene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of blast furnace gas is CO₂ N₂ CO H₂ CO₂ N₂ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS