Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Fine sizes without the presence of any lump Closed space without any ventilation facility Large heaps with small surface to volume ratio Shallow and small piles Fine sizes without the presence of any lump Closed space without any ventilation facility Large heaps with small surface to volume ratio Shallow and small piles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? Winkler process All of these Kopper-Totzek process Lurgi process Winkler process All of these Kopper-Totzek process Lurgi process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel None of these Supply of excess air Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel None of these Supply of excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Autocatalytic Endothermic Catalytic Exothermic Autocatalytic Endothermic Catalytic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to All of these Moisture loss Dry gas/stack gas loss Incomplete combustion All of these Moisture loss Dry gas/stack gas loss Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of MgCO₃ & NaCl MgSO₄ & BaCl₂ BaSO₄ & NaCl MgO & Na₂CO₃ MgCO₃ & NaCl MgSO₄ & BaCl₂ BaSO₄ & NaCl MgO & Na₂CO₃ ANSWER DOWNLOAD EXAMIANS APP
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