Fuels and Combustion When the coal is heated in absence of air, it is called its Carbonisation Deoxidation Gasification Coalification Carbonisation Deoxidation Gasification Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? Molasses None of these Bitumen Coal tar Molasses None of these Bitumen Coal tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Aliphatic tar is produced Ammonia yield is more All of these Free carbon in tar is more Aliphatic tar is produced Ammonia yield is more All of these Free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. 0.5 10 50 500 0.5 10 50 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher Heat release rate (thus requiring smaller combustion chamber) All of these Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Heat release rate (thus requiring smaller combustion chamber) All of these Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Reactivity Agglutinating (binding) properties Porosity Abradability Reactivity Agglutinating (binding) properties Porosity Abradability ANSWER DOWNLOAD EXAMIANS APP