Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Natural gas Producer gas Liquified petroleum gas Carburetted water gas Natural gas Producer gas Liquified petroleum gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Remains same Either A or B, depends on other factors Decreases Increases Remains same Either A or B, depends on other factors Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1250 1400 1100 1350 1250 1400 1100 1350 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number decreases Calorific value increases Swelling number increases Bulk density decreases Swelling number decreases Calorific value increases Swelling number increases Bulk density decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross calorific value will be equal to the net calorific value for C₂H₂ CO H₂ C₂H₆ C₂H₂ CO H₂ C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
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 It achieves higher fuel combustion efficiency None of these Less heat transfer surface area is required in boilers It can not burn low grade coal It achieves higher fuel combustion efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
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