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
Fuels and Combustion A coal containing very high percentage of durain is called __________ coal. Splint Non-banded Boghead Bright Splint Non-banded Boghead Bright ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Tar yield increases Methane percentage in the coke oven gas increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Tar yield increases Methane percentage in the coke oven gas increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Increase Increase or decrease depending on the fuel type Decrease Not change Increase Increase or decrease depending on the fuel type Decrease Not change ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to 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 Increase the output of the coke Facilitate easy discharging of coke as it swells during carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Porosity Reactivity Abradability Agglutinating (binding) properties Porosity Reactivity Abradability Agglutinating (binding) properties ANSWER DOWNLOAD EXAMIANS APP
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