Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 75 50 25 10 75 50 25 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens All of these Require less time of carbonisation Produce smaller coke Produce stronger coke All of these Require less time of carbonisation Produce smaller coke Produce stronger coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of BaSO₄ & NaCl MgO & Na₂CO₃ MgCO₃ & NaCl MgSO₄ & BaCl₂ BaSO₄ & NaCl MgO & Na₂CO₃ MgCO₃ & NaCl MgSO₄ & BaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should be brittle Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should be brittle ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most poisonous gas? L.D. converter gas Coke oven gas Blast furnace gas Producer gas L.D. converter gas Coke oven gas Blast furnace gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? CO CH₄ C₂H₆ H₂ CO CH₄ C₂H₆ H₂ ANSWER DOWNLOAD EXAMIANS APP
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