Fuels and Combustion A coal that softens and fuses on heating is Non-caking Classified Caking Carbonised Non-caking Classified Caking Carbonised 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 MgSO₄ & BaCl₂ MgO & Na₂CO₃ BaSO₄ & NaCl MgCO₃ & NaCl MgSO₄ & BaCl₂ MgO & Na₂CO₃ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Free impurities Ash Inherent mineral matter Volatile matter Free impurities Ash Inherent mineral matter Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Stack gas temperature Percentage of oxygen in flue gases Fuel consumption for the same heat load All of these Stack gas temperature Percentage of oxygen in flue gases Fuel consumption for the same heat load All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. May increase or decrease depending on the type of fuel Increases Remains same Decreases May increase or decrease depending on the type of fuel Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following can be made into briquettes without the use of a binder? Lignite Anthracite coal None of these Bituminous coal Lignite Anthracite coal None of these Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
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