Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel Preheating of fuel gases & combustion air Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel Preheating of fuel gases & combustion air Supplying correct amount of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fussain All of these Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation All of these Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used for the determination of calorific value of the __________ fuels. Gaseous Both B and C Liquid Solid Gaseous Both B and C Liquid Solid ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 1500 20000 500 6500 1500 20000 500 6500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 12.5 10 20 0 12.5 10 20 0 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 1400-1500 1700-1800 900-1000 400-500 1400-1500 1700-1800 900-1000 400-500 ANSWER DOWNLOAD EXAMIANS APP