Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 1-2 30-33 22-26 10-15 1-2 30-33 22-26 10-15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 350 to 450 550 to 650 700 to 850 100 to 150 350 to 450 550 to 650 700 to 850 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release Develops a non-luminous flame Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release Develops a non-luminous flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of nitrogen in combustion air does not reduce the Flame temperature Any of the above Amount of heat liberated Flue gas temperature Flame temperature Any of the above Amount of heat liberated Flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 500 6500 1500 20000 500 6500 1500 20000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Alphatic compounds Olefins Paraffins Aromatic compounds Alphatic compounds Olefins Paraffins Aromatic compounds ANSWER DOWNLOAD EXAMIANS APP
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