Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Sulphur content Calorific value Difference in gross & net calorific value Higher C/H ratio Sulphur content Calorific value Difference in gross & net calorific value Higher C/H ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a rich fuel gas? Producer gas Refinery gases Coal gas from underground gasification of coal None of these Producer gas Refinery gases Coal gas from underground gasification of coal None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Increase in the c.v. of coke oven gas Increase in its throughput Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Increase in its throughput Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Electrical resistivity Porosity Density None of these Electrical resistivity Porosity Density None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by Moisture loss Incomplete combustion Dry gas/stack gas loss None of these Moisture loss Incomplete combustion Dry gas/stack gas loss None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal. 160 60 500 750 160 60 500 750 ANSWER DOWNLOAD EXAMIANS APP
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