Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Calorific value of the coal increases Ratio of fixed carbon to volatile matter increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Friability & oxygen content Caking index Calorific value Yield of carbonised products Friability & oxygen content Caking index Calorific value Yield of carbonised products ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur (4-6%) coal in India are found in Andhra Pradesh Bengal Assam Madhya Pradesh Andhra Pradesh Bengal Assam Madhya Pradesh ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly-ash discharge from the stack High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly-ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of Nā to Oā in dry atmospheric air is 0.79 4.76 0.21 3.76 0.79 4.76 0.21 3.76 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ is used as jet engine fuel. Kerosene Petrol Diesel LPG Kerosene Petrol Diesel LPG ANSWER DOWNLOAD EXAMIANS APP
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