Fuels and Combustion When the coal is heated in absence of air, it is called its Coalification Carbonisation Deoxidation Gasification Coalification Carbonisation Deoxidation Gasification 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 Decrease Increase Not change Increase or decrease depending on the fuel type Decrease Increase Not change Increase or decrease depending on the fuel type ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Neither A nor B Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Neither A nor B Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Hydrocarbons Hydrogen Oxygen Carbon monoxide Hydrocarbons Hydrogen Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gas yield in the Kopper-Totzek coal gasifier is about __________ Nm³/ton coal (ash = 35%). 150 3500 1500 5000 150 3500 1500 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High excess air in combustion of fuels results in Incomplete combustion Smoky flame Increased fuel consumption None of these Incomplete combustion Smoky flame Increased fuel consumption None of these ANSWER DOWNLOAD EXAMIANS APP
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