Fuels and Combustion In low temperature carbonisation of coal, the Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Yield of tar is about 3% of dry coal Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Yield of tar is about 3% of dry coal Volatile matter in coke is zero ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? CO H₂ CH₄ C₂H₆ CO H₂ CH₄ C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash All of these Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have High bulk density High fusion point of its ash Less moisture content Lower ash content High bulk density High fusion point of its ash Less moisture content Lower ash content 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 Which of the following is a primary fuel? Wood charcoal Blast furnace coke Natural gas Gasoline Wood charcoal Blast furnace coke Natural gas Gasoline ANSWER DOWNLOAD EXAMIANS APP