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 Decrease Not change Increase Increase or decrease depending on the fuel type Decrease Not change Increase Increase or decrease depending on the fuel type ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Less than Equal to More than Either more or less; depends on the type of fuel Less than Equal to More than Either more or less; depends on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 10 & 3 10 & 20 3 & 10 15 & 8 10 & 3 10 & 20 3 & 10 15 & 8 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Same as Lower than Higher than None of these Same as Lower than Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of methane in coke oven gas may be around 25 50 15 5 25 50 15 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Facilitate easy ash removal Ensure its complete combustion Enhance its calorific value Provide trouble free operation Facilitate easy ash removal Ensure its complete combustion Enhance its calorific value Provide trouble free operation ANSWER DOWNLOAD EXAMIANS APP
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