Fuels and Combustion The weathering index of a coal Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is a measure of its size stability, when stored & exposed to weather ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 80 and 97 25 and 97 95 and 100 40 and 70 80 and 97 25 and 97 95 and 100 40 and 70 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the None of these Flame temperature Calorific value of the fuel Scale losses of the furnace stock None of these Flame temperature Calorific value of the fuel Scale losses of the furnace stock ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that No excess air has been used for combustion 21% excess air has been used for combustion 21% excess oxygen has been used for combustion Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess air has been used for combustion 21% excess oxygen has been used for combustion Complete combustion of fuel has taken place ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ? Blast furnace gas Carburetted water gas Natural gas Producers Blast furnace gas Carburetted water gas Natural gas Producers ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Both B and C Mineral matter content Ash content Caking index Both B and C Mineral matter content Ash content Caking index ANSWER DOWNLOAD EXAMIANS APP
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