Fuels and Combustion Presence of phosphorous in metallurgical coal 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 Badly affects the quality of steel Is not undersirable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Calorific value Caking index Ultimate analysis Proximate analysis Calorific value Caking index Ultimate analysis Proximate analysis ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively CO₂, CO, O₂ CO, O₂, CO₂ O₂, CO₂, CO CO₂, O₂, CO CO₂, CO, O₂ CO, O₂, CO₂ O₂, CO₂, CO CO₂, O₂, CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Burning temperature Kindling temperature Smoke point Fire point Burning temperature Kindling temperature Smoke point Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have high porosity Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have high porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of pitch from distillation of high temperature tar is around __________ percent. 10 90 65 25 10 90 65 25 ANSWER DOWNLOAD EXAMIANS APP