Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 5000 10, 000 25, 000 15, 000 5000 10, 000 25, 000 15, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product fuel? Petrol Pitch Refinery gas Blast furnace gas Petrol Pitch Refinery gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Prevention of clinker formation in the oven Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Controlling the dust nuisance while charging the coal All of these Prevention of clinker formation in the oven Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Controlling the dust nuisance while charging the coal All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Lean gas (e.g., B.F. gas) Both steam and electrical power Both B and C Rich gas (e.g., coke oven gas) Lean gas (e.g., B.F. gas) Both steam and electrical power Both B and C Rich gas (e.g., coke oven gas) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Sulphur & phosphorous content Porosity Fusion point of its ash Hardness & strength Sulphur & phosphorous content Porosity Fusion point of its ash Hardness & strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Clinkering tendency Size stability Caking tendency Coking tendency Clinkering tendency Size stability Caking tendency Coking tendency ANSWER DOWNLOAD EXAMIANS APP
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