Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Decreases with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the Absorption of gases and vapor Decolourisation of sugar Electrode manufacture Solvent recovery from air and gases Absorption of gases and vapor Decolourisation of sugar Electrode manufacture Solvent recovery from air and gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High ash content None of these High sulphur Low fusion point of ash High ash content None of these High sulphur Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content All of these Improves its coking properties Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content All of these Improves its coking properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? Molasses None of these Coal tar Bitumen Molasses None of these Coal tar Bitumen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzol is used As a motor fuel blend For producing benzene, tolune & xylene by its distillation Both A & B Neither A nor B As a motor fuel blend For producing benzene, tolune & xylene by its distillation Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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