Fuels and Combustion Which of the following has the highest calorific value? Anthracite Lignite Sub-bituminous coal Peat Anthracite Lignite Sub-bituminous coal Peat 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 Remains same Decreases Increases May increase or decrease depending on the type of fuel Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Decreases Increases None of these Remains constant Decreases Increases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ has the widest inflammability limit (explosion limit) of all the gases. Acetylene Carbon monoxide Methane Hydrogen Acetylene Carbon monoxide Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about Same as that of coal middling 25000 kcal/kg 8800 kcal/kg 8800 kcal/m³ Same as that of coal middling 25000 kcal/kg 8800 kcal/kg 8800 kcal/m³ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the Complete combustion Incomplete combustion High oxygen in flue gas None of these Complete combustion Incomplete combustion High oxygen in flue gas None of these ANSWER DOWNLOAD EXAMIANS APP
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