Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by None of these Moisture loss Dry gas/stack gas loss Incomplete combustion None of these Moisture loss Dry gas/stack gas loss Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Caking tendency Coking tendency Clinkering tendency Size stability Caking tendency Coking tendency Clinkering tendency Size stability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. More than Less than Either more or less; depends on the type of fuel Equal to More than Less than Either more or less; depends on the type of fuel Equal to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Both B and C Caking index Mineral matter content Ash content Both B and C Caking index Mineral matter content Ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is a measure of its caking tendency Is related to its calorific value Is a measure of its size stability, when stored & exposed to weather Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is related to its calorific value Is a measure of its size stability, when stored & exposed to weather Gives an idea of the fusion temperature of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 2500 35, 000 10, 000 25, 000 2500 35, 000 10, 000 25, 000 ANSWER DOWNLOAD EXAMIANS APP
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