Fuels and Combustion Which of the following coke has the least percentage of ash? Beehive coke Foundary coke Metallurgical coke Petroleum coke Beehive coke Foundary coke Metallurgical coke Petroleum coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Increase in its strength Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength Decrease in its calorific value None of these Brittleness of steel made by using it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 5 to 15 1 to 2 20 to 40 3 to 4 5 to 15 1 to 2 20 to 40 3 to 4 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. Oxidation Gasification Coalification Carbonisation Oxidation Gasification Coalification Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Ignition temperature Caking index Ash fusion temperature Calorific value Ignition temperature Caking index Ash fusion temperature Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain H₂O CO₂ Both B & C CO H₂O CO₂ Both B & C CO ANSWER DOWNLOAD EXAMIANS APP
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