Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. >71% None of these < 37% In between 37 & 71% >71% None of these < 37% In between 37 & 71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Orsat apparatus Determines N₂ in flue gas indirectly Gives flue gas analysis on dry basis Can All of these Determines N₂ in flue gas indirectly Gives flue gas analysis on dry basis Can All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 18 6 28 36 18 6 28 36 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke ovens in steel plant are heated by Both B & C Mixed gas Electricity Coke oven gas Both B & C Mixed gas Electricity Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a primary fuel? Natural gas Wood charcoal Gasoline Blast furnace coke Natural gas Wood charcoal Gasoline Blast furnace coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of MgO & Na₂CO₃ MgCO₃ & NaCl MgSO₄ & BaCl₂ BaSO₄ & NaCl MgO & Na₂CO₃ MgCO₃ & NaCl MgSO₄ & BaCl₂ BaSO₄ & NaCl ANSWER DOWNLOAD EXAMIANS APP
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