Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. CO₂ content CO content O₂ content Dew point CO₂ content CO content O₂ content Dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Oxygen Hydrogen Sulphur Carbon Oxygen Hydrogen Sulphur Carbon 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 Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1100 1400 1250 1350 1100 1400 1250 1350 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? C₂H₆ H₂ CO CH₄ C₂H₆ H₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce smaller coke Produce stronger coke Require less time of carbonisation All of these Produce smaller coke Produce stronger coke Require less time of carbonisation All of these ANSWER DOWNLOAD EXAMIANS APP
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