Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Supplying correct amount of combustion air Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel Supplying correct amount of combustion air Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, oxygen is absorbed by Cuprous chloride Alkaline pyragllol solution None of these Potassium hydroxide Cuprous chloride Alkaline pyragllol solution None of these Potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is unsuitable fuel for producer gas manufacture? Coal having low fusion point of its ash Coal having high fusion point of its ash Anthracite Coke Coal having low fusion point of its ash Coal having high fusion point of its ash Anthracite Coke 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 May increase or decrease depending on the type of fuel Remains same Decreases Increases May increase or decrease depending on the type of fuel Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Inherent mineral matter Volatile matter Free impurities Ash Inherent mineral matter Volatile matter Free impurities Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal All of these Has a high volatile matter content and burns with a luminous smoky flame Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named Is non-coking All of these Has a high volatile matter content and burns with a luminous smoky flame Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named Is non-coking ANSWER DOWNLOAD EXAMIANS APP
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