Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Aliphatic tar is produced Free carbon in tar is more Ammonia yield is more All of these Aliphatic tar is produced Free carbon in tar is more Ammonia yield is more All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Same as Lower than Not related to Higher than Same as Lower than Not related to Higher than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mott and Wheeler test is conducted on coke to find its Abradability Phosphorus content Reactivity with O₂ Volatile matter content Abradability Phosphorus content Reactivity with O₂ Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Is essentially a coking coal Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Is essentially a coking coal Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of F. gas and coke oven gas Coke oven gas and converter gas Blast furnace gas and naphtha vapor Coke oven gas and L.P.G F. gas and coke oven gas Coke oven gas and converter gas Blast furnace gas and naphtha vapor Coke oven gas and L.P.G 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 Controlling the dust nuisance while charging the coal All of these 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) Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal All of these 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) ANSWER DOWNLOAD EXAMIANS APP
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