Fuels and Combustion A good metallurgical coke Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have low fusion point of its ash Should have high porosity Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have low fusion point of its ash Should have high porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Coalification Oxidation Gasification Carbonisation Coalification Oxidation Gasification Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draught produced by a chimney depends upon the Both A & B Neither A nor B Density of the chimney gases Height of the chimney Both A & B Neither A nor B Density of the chimney gases Height of the chimney ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product fuel? Refinery gas Blast furnace gas Pitch Petrol Refinery gas Blast furnace gas Pitch Petrol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of tar is about __________ Kcal/kg. 16000 8800 5000 12000 16000 8800 5000 12000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Caking index Ash content Mineral matter content Both B and C Caking index Ash content Mineral matter content Both B and C ANSWER DOWNLOAD EXAMIANS APP
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