Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Hot scarfing of steel slabs Coke oven battery heating Mixing with blast furnace gas Steel ladle drying Hot scarfing of steel slabs Coke oven battery heating Mixing with blast furnace gas Steel ladle drying ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Atomising steam to fuel oil ratio in a burner should be around 2.5 3.5 1.5 0.5 2.5 3.5 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Increases its caking power Reduces its calorific value Is not undersirable Badly affects the quality of steel Increases its caking power Reduces its calorific value Is not undersirable Badly affects the quality of steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Hydrogen Unsaturated hydrocarbons All of these Methane Hydrogen Unsaturated hydrocarbons All of these Methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Moisture loss All of these Dry gas/stack gas loss Incomplete combustion Moisture loss All of these Dry gas/stack gas loss Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? C + H₂O ⟷ CO + H₂ 2CO ⟷ C + CO₂ C + 2H₂O ⟷ CO₂ + 2H₂ CO + H₂O ⟷ CO₂ + H₂ C + H₂O ⟷ CO + H₂ 2CO ⟷ C + CO₂ C + 2H₂O ⟷ CO₂ + 2H₂ CO + H₂O ⟷ CO₂ + H₂ ANSWER DOWNLOAD EXAMIANS APP