Fuels and Combustion Which of the following is a primary fuel? Blast furnace coke Natural gas Wood charcoal Gasoline Blast furnace coke Natural gas Wood charcoal Gasoline ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher All of these Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature Heat release rate (thus requiring smaller combustion chamber) All of these Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature Heat release rate (thus requiring smaller combustion chamber) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High ash Low ash High calorific value High volatile matter High ash Low ash High calorific value High volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Data insufficient; can't be predicted More Same Less Data insufficient; can't be predicted More Same Less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Shutting gas supply Admitting more gas Admitting more air Shutting air supply Shutting gas supply Admitting more gas Admitting more air Shutting air supply ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 25-30 60-65 95-100 3-5 25-30 60-65 95-100 3-5 ANSWER DOWNLOAD EXAMIANS APP