Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures May increase or decrease ; depends on the quantity of products of combustion Decrease Remain unchanged Increase May increase or decrease ; depends on the quantity of products of combustion Decrease Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its S & P content None of these Heating value Fusion point of ash S & P content None of these Heating value Fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to Inadequate ventilation All of these Storage in large heaps with small surface to volume ratio Low temperature oxidation Inadequate ventilation All of these Storage in large heaps with small surface to volume ratio Low temperature oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 23 27.6 42.9 47.3 23 27.6 42.9 47.3 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of MgSO₄ & BaCl₂ MgCO₃ & NaCl MgO & Na₂CO₃ BaSO₄ & NaCl MgSO₄ & BaCl₂ MgCO₃ & NaCl MgO & Na₂CO₃ BaSO₄ & NaCl ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal. 500 60 750 160 500 60 750 160 ANSWER DOWNLOAD EXAMIANS APP