Fuels and Combustion The calorific value of L.D. converter gas is about __________ Kcal/Nm³ . 10000 1800 800 4500 10000 1800 800 4500 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. 900-1000 1400-1500 1700-1800 400-500 900-1000 1400-1500 1700-1800 400-500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Mixing with blast furnace gas Coke oven battery heating Steel ladle drying Hot scarfing of steel slabs Mixing with blast furnace gas Coke oven battery heating Steel ladle drying Hot scarfing of steel slabs ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that 21% excess oxygen has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess air has been used for combustion 21% excess oxygen has been used for combustion No excess air has been used for combustion Complete combustion of fuel has taken place 21% excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Hydrogen Oxygen Carbon Sulphur Hydrogen Oxygen Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 180 120 30 65 180 120 30 65 ANSWER DOWNLOAD EXAMIANS APP