Fuels and Combustion Which of the following has the highest calorific value? Sub-bituminous coal Peat Lignite Anthracite Sub-bituminous coal Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 23 19 29 21 23 19 29 21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of BaSO₄ & NaCl MgCO₃ & NaCl MgO & Na₂CO₃ MgSO₄ & BaCl₂ BaSO₄ & NaCl MgCO₃ & NaCl MgO & Na₂CO₃ MgSO₄ & BaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the Incomplete combustion None of these Complete combustion High oxygen in flue gas Incomplete combustion None of these Complete combustion High oxygen in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in 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) Controlling the dust nuisance while charging the coal All of these Prevention of clinker formation in the oven 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) Controlling the dust nuisance while charging the coal All of these Prevention of clinker formation in the oven ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are None of these Anthracite Bituminous Lignite None of these Anthracite Bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP
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