Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Unburnt carbon in flue gases Flue gases Ash content in the fuel Incomplete combustion Unburnt carbon in flue gases Flue gases Ash content in the fuel Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Coke oven gas Blast furnace gas Carburetted water gas Oil refinery gas Coke oven gas Blast furnace gas Carburetted water gas Oil refinery gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have Low fusion point of ash High volatile matter content Very low ash content (8-10%) High caking index Low fusion point of ash High volatile matter content Very low ash content (8-10%) High caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Increases Remains constant May increase or decrease, depends on combustibles Decreases Increases Remains constant May increase or decrease, depends on combustibles Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Reforming Cracking Partial oxidation Gasification Reforming Cracking Partial oxidation Gasification 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 Producer gas Blast furnace gas Natural gas Water gas Producer gas Blast furnace gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
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