Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? LPG Gobar gas Natural gas Carburetted water gas LPG Gobar gas Natural gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to Increase the output of the coke Facilitate easy discharging of coke as it swells during carbonisation None of these Facilitate uniform heating of the oven Increase the output of the coke Facilitate easy discharging of coke as it swells during carbonisation None of these Facilitate uniform heating of the oven ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas is a very poisonous gas because of its predominantly high __________ content. H₂O CO₂ CO CH₄ H₂O CO₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Power alcohol as compared to straight run gasoline has lower Viscosity Calorific value Specific gravity Octane number Viscosity Calorific value Specific gravity Octane number ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Converter gas Blast furnace gas Refinery gas Gobar gas Converter gas Blast furnace gas Refinery gas Gobar gas ANSWER DOWNLOAD EXAMIANS APP