Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = A M = 2A M = 1.1A M = 1.5A M = A M = 2A M = 1.1A M = 1.5A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Paraffins Olefins Aromatic compounds Alphatic compounds Paraffins Olefins Aromatic compounds Alphatic compounds ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Gaseous fuels Fat coals Solid fuels Liquid fuels Gaseous fuels Fat coals Solid fuels Liquid fuels 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 Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is a measure of its caking tendency Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross calorific value will be equal to the net calorific value for CO H₂ C₂H₆ C₂H₂ CO H₂ C₂H₆ C₂H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Decreases May increase or decrease, depends on combustibles Remains constant Increases Decreases May increase or decrease, depends on combustibles Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
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