Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its None of these Reactivity Hardness Strength None of these Reactivity Hardness Strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Ultimate analysis Proximate analysis Caking index Calorific value Ultimate analysis Proximate analysis Caking index Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. None of these Moisture Ash Sulphur & phosphorus None of these Moisture Ash Sulphur & phosphorus ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Brittleness of steel made by using it None of these Increase in its strength Decrease in its calorific value Brittleness of steel made by using it None of these Increase in its strength Decrease in its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because There are chances of explosion during preheating It reduces its flame temperature tremendously It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot There are chances of explosion during preheating It reduces its flame temperature tremendously It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of purified Lurgi gas are CO, H₂ & CH₄ N₂, H₂ & CO₂ H₂, CmHn & CO₂ CO₂, O₂ & CO CO, H₂ & CH₄ N₂, H₂ & CO₂ H₂, CmHn & CO₂ CO₂, O₂ & CO ANSWER DOWNLOAD EXAMIANS APP
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