Fuels and Combustion Removal of hydrogen from coke oven gas Increases its calorific value Decreases its calorific value Does not alter its calorific value Is not possible on commerical scale Increases its calorific value Decreases its calorific value Does not alter its calorific value Is not possible on commerical scale ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Hydrogen Carbon Sulphur Oxygen Hydrogen Carbon Sulphur Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Is always positive Is always negative Can't be known without calculating it Is equal to the heat of formation Is always positive Is always negative Can't be known without calculating it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 1.75 11.4 0.87 2.4 1.75 11.4 0.87 2.4 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. Pulverised Caking Non-caking High ash Pulverised Caking Non-caking High ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Gives smokeless burning None of these Burns completely Shows little or no fusing action Gives smokeless burning None of these Burns completely Shows little or no fusing action ANSWER DOWNLOAD EXAMIANS APP
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