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 High rank coals have higher amount of volatile matter Oxygen content progressively decreases Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases Calorific value of the coal increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion About __________ Nm³ of air will be required for the complete combustion of 2Nm³ of CO. 3 5 1 2 3 5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke ovens in steel plant are heated by Both B & C Electricity Coke oven gas Mixed gas Both B & C Electricity Coke oven gas Mixed gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Carburetted water gas Natural gas Producer gas Liquified petroleum gas Carburetted water gas Natural gas Producer gas Liquified petroleum gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = 2A M = A M = 1.5A M = 1.1A M = 2A M = A M = 1.5A M = 1.1A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Natural gas Water gas Coke oven gas Blast furnace gas Natural gas Water gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
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