Fuels and Combustion Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is 200 °K 200 °R 200 °C 200 °F 200 °K 200 °R 200 °C 200 °F ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Durain Vitrain Clarain Fussain Durain Vitrain Clarain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Advantages of fluidised bed combustion are Lower furnace operating temperature Reduced NOx formation in flue gas High heat transfer rate All of these Lower furnace operating temperature Reduced NOx formation in flue gas High heat transfer rate All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Does not affect the flame length Tends to shorten the flame Lengthens the flame Increases the flame temperature Does not affect the flame length Tends to shorten the flame Lengthens the flame Increases the flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Equal to Either more or less; depends on the type of fuel More than Less than Equal to Either more or less; depends on the type of fuel More than Less than ANSWER DOWNLOAD EXAMIANS APP
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