Fuels and Combustion Coking coals are invariably Semi-anthracites Bituminous coals Lignites Anthracites Semi-anthracites Bituminous coals Lignites Anthracites ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Fast & high Slow & low Fast & slow Slow & high Fast & high Slow & low Fast & slow Slow & high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 100 to 150 350 to 450 700 to 850 550 to 650 100 to 150 350 to 450 700 to 850 550 to 650 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³. 4 6 2 1 4 6 2 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 10 & 3 15 & 8 3 & 10 10 & 20 10 & 3 15 & 8 3 & 10 10 & 20 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. 1700-1800 900-1000 1400-1500 400-500 1700-1800 900-1000 1400-1500 400-500 ANSWER DOWNLOAD EXAMIANS APP
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