Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Slow & high Fast & slow Slow & low Fast & high Slow & high Fast & slow Slow & low Fast & high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 35, 000 2500 25, 000 10, 000 35, 000 2500 25, 000 10, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 6 24 18 12 6 24 18 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Coke oven gas Pulverised coke Tar Pitch Coke oven gas Pulverised coke Tar Pitch ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is related to its calorific value Is a measure of its caking tendency Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Is a measure of its caking tendency 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 Percentage of nitrogen in blast furnace gas may be around 55 80 5 25 55 80 5 25 ANSWER DOWNLOAD EXAMIANS APP
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