Fuels and Combustion Ammonia content in raw coke oven gas is about __________ gm/Nm³. 1 15 50 100 1 15 50 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Volatile matter Moisture content Ash content Colour Volatile matter Moisture content Ash content Colour ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the Low calorific value of the fuel Lack of thorough mixing of fuel with air High sulphur content in the fuel Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel Lack of thorough mixing of fuel with air High sulphur content in the fuel Presence of large quantity of hydrogen in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Napthalene Pitch-cresosote mixture (PCM) Ethylene Benzol Napthalene Pitch-cresosote mixture (PCM) Ethylene Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Decreases the abrasion resistance of coke Decreases the hardness of coke None of these Causes brittleness in steel Decreases the abrasion resistance of coke Decreases the hardness of coke None of these Causes brittleness in steel 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 Density Porosity None of these Electrical resistivity Density Porosity None of these ANSWER DOWNLOAD EXAMIANS APP
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