Fuels and Combustion Gobar gas constitutes mainly of CO & CO₂ CO & N₂ CH₄ & N₂ CH₄ & CO₂ CO & CO₂ CO & N₂ CH₄ & N₂ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 4000 6000 8000 1000 4000 6000 8000 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 2 11 38 20 2 11 38 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases High rank coals have higher amount of volatile matter 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? Ash disposal problem High power consumption in its transportation Erosion of induced draft fan blades Excessive fly-ash discharge from the stack Ash disposal problem High power consumption in its transportation Erosion of induced draft fan blades Excessive fly-ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Oxygen Smoke Carbon monoxide Temperature Oxygen Smoke Carbon monoxide Temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS