Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Remains constant Increases May increase or decrease, depends on combustibles Decreases Remains constant Increases May increase or decrease, depends on combustibles Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Moisture loss is determined by the Moisture content of fuel Humidity of combustion air Both A and B The water formed by combustion reaction Moisture content of fuel Humidity of combustion air Both A and B The water formed by combustion reaction ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Fine grinding Low preheat of air High excess air All of these Fine grinding Low preheat of air High excess air All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Turndown ratio of a gas burner is equal to the Both A & B Minimum to maximum heat input ratio Maximum to minimum heat input ratio Maximum to minimum permissible gas flow rate Both A & B Minimum to maximum heat input ratio Maximum to minimum heat input ratio Maximum to minimum permissible gas flow rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 550 1150 750 950 550 1150 750 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 4.76 0.21 3.76 0.79 4.76 0.21 3.76 0.79 ANSWER DOWNLOAD EXAMIANS APP
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