Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Caking power None of these Oxygen content Calorific value Caking power None of these Oxygen content Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel All of these In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Suppresses the discharge of fine dust and grit into atmosphere Requires larger combustion chamber than rich gaseous fuel All of these In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Suppresses the discharge of fine dust and grit into atmosphere Requires larger combustion chamber than rich gaseous fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Facilitates by-products recovery Produces coke with very poor strength Takes 2-3 days for coking of coal but requires no external fuel for heating Gives larger yield of coke (around 85%) as compared to by-product ovens Facilitates by-products recovery Produces coke with very poor strength Takes 2-3 days for coking of coal but requires no external fuel for heating Gives larger yield of coke (around 85%) as compared to by-product ovens 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 Smoke point Kindling temperature Fire point Burning temperature Smoke point Kindling temperature Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? H₂ CH₄ None of these CO H₂ CH₄ None of these CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C. 70 145 105 85 70 145 105 85 ANSWER DOWNLOAD EXAMIANS APP
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