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 Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Moisture content Volatile matter Ash content Colour Moisture content Volatile matter Ash content Colour ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Water gas Natural gas Producer gas Blast furnace gas Water gas Natural gas Producer gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 1500 3300 8500 5400 1500 3300 8500 5400 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Increases Decreases Either A or B, depends on other factors Remains same Increases Decreases Either A or B, depends on other factors Remains same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Calorific value Yield of carbonised products Friability & oxygen content Caking index Calorific value Yield of carbonised products Friability & oxygen content Caking index ANSWER DOWNLOAD EXAMIANS APP
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