Fuels and Combustion Presence of phosphorous in metallurgical coal Badly affects the quality of steel Is not undersirable Increases its caking power Reduces its calorific value Badly affects the quality of steel Is not undersirable Increases its caking power Reduces its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Burns with smoky yellow flame Is generally coking Both B and C Ignites less easily than anthracite Burns with smoky yellow flame Is generally coking Both B and C Ignites less easily than anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of of blast furnace gas is around __________ KCal/Nm³. 1800 6500 850 4200 1800 6500 850 4200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Banking None of these Back draughting Under pressurising Banking None of these Back draughting Under pressurising ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively O₂, CO₂, CO CO, O₂, CO₂ CO₂, O₂, CO CO₂, CO, O₂ O₂, CO₂, CO CO, O₂, CO₂ CO₂, O₂, CO CO₂, CO, O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 2 5 0.1 10 2 5 0.1 10 ANSWER DOWNLOAD EXAMIANS APP