Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Facilitate easy ash removal Ensure its complete combustion Provide trouble free operation Enhance its calorific value Facilitate easy ash removal Ensure its complete combustion Provide trouble free operation Enhance its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low flash point High cost & availability Low calorific value Low octane number Low flash point High cost & availability Low calorific value Low octane number ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Oxygen content Calorific value Caking power None of these Oxygen content Calorific value Caking power None 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. Increases Remains same Decreases May increase or decrease depending on the type of fuel Increases Remains same Decreases May increase or decrease depending on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Advantages of fluidised bed combustion are Reduced NOx formation in flue gas Lower furnace operating temperature All of these High heat transfer rate Reduced NOx formation in flue gas Lower furnace operating temperature All of these High heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Fermentation None of these Hydrogenation Oxidation Fermentation None of these Hydrogenation Oxidation ANSWER DOWNLOAD EXAMIANS APP
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