Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? Less heat transfer surface area is required in boilers It can not burn low grade coal None of these It achieves higher fuel combustion efficiency Less heat transfer surface area is required in boilers It can not burn low grade coal None of these It achieves higher fuel combustion efficiency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours High production of CO Low production of CO₂ Both B and C High production of CO₂ High production of CO Low production of CO₂ Both B and C High production of CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of the gas produced from a gobar gas plant is H₂ CH₄ CO CO₂ H₂ CH₄ CO CO₂ 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 MgSO₄ & BaCl₂ MgCO₃ & NaCl BaSO₄ & NaCl MgO & Na₂CO₃ MgSO₄ & BaCl₂ MgCO₃ & NaCl ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will Give less yield of tar and gas on carbonisation None of these Burn with a small non-smoky flame Have a very high calorific value Give less yield of tar and gas on carbonisation None of these Burn with a small non-smoky flame Have a very high calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 3.76 0.21 4.76 0.79 3.76 0.21 4.76 0.79 ANSWER DOWNLOAD EXAMIANS APP