Fuels and Combustion The fuel ratio of a coal is The ratio of its percentage of fixed carbon to that of volatile matter Neither A nor B Helpful in estimation of its rank Both A and B The ratio of its percentage of fixed carbon to that of volatile matter Neither A nor B Helpful in estimation of its rank Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Bituminous Anthracite Semi-anthracite Lignite Bituminous Anthracite Semi-anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Sulphur & phosphorous content Fusion point of its ash Porosity Hardness & strength Sulphur & phosphorous content Fusion point of its ash Porosity Hardness & strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High ash containing coke None of these Produces more slag when used in the blast furnace Is desirable in producer gas manufacture Has poor strength and abrasion resistance None of these Produces more slag when used in the blast furnace Is desirable in producer gas manufacture Has poor strength and abrasion resistance ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas from the heating chamber of byproduct coke ovens is removed by Natural draft Induced draft fan Steam ejector Forced draft fan Natural draft Induced draft fan Steam ejector Forced draft fan ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Flue gases Ash content in the fuel Unburnt carbon in flue gases Incomplete combustion Flue gases Ash content in the fuel Unburnt carbon in flue gases Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
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