Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Hydrogen Oxygen Carbon Sulphur Hydrogen Oxygen Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Decreases Increases Remains constant May increase or decrease, depends on combustibles Decreases Increases Remains constant May increase or decrease, depends on combustibles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ? Blast furnace gas Producers Natural gas Carburetted water gas Blast furnace gas Producers Natural gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Gives an idea of the fusion temperature of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Friability & oxygen content Calorific value Yield of carbonised products Caking index Friability & oxygen content Calorific value Yield of carbonised products Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Bog iron (i.e., moist ferric hydroxide) Diatomaceous earth Basalt Silica gel Bog iron (i.e., moist ferric hydroxide) Diatomaceous earth Basalt Silica gel ANSWER DOWNLOAD EXAMIANS APP
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