Fuels and Combustion High ash containing coke None of these Produces more slag when used in the blast furnace Has poor strength and abrasion resistance Is desirable in producer gas manufacture None of these Produces more slag when used in the blast furnace Has poor strength and abrasion resistance Is desirable in producer gas manufacture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains More carbon Greater percentage of ash All of these Less volatile matter More carbon Greater percentage of ash All of these Less volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal that softens and fuses on heating is Carbonised Caking Classified Non-caking Carbonised Caking Classified Non-caking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As a fuel in furnaces As moisture proof coating on fibres As moth balls (insecticides) For making electrodes As a fuel in furnaces As moisture proof coating on fibres As moth balls (insecticides) For making electrodes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not Used in blast furnaces Produced by low temperature carbonisation of coal None of these A domestic fuel Used in blast furnaces Produced by low temperature carbonisation of coal None of these A domestic fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Type (solid, liquid or gaseous) Calorific value Sulphur content Ignition temperature Type (solid, liquid or gaseous) Calorific value Sulphur content Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
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