Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Oxygen None of these Air Oxygen enriched air Oxygen None of these Air Oxygen enriched air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 8500 5400 1500 3300 8500 5400 1500 3300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & CH₄ CH₄ & CO₂ N₂ & CO N₂ & H₂ N₂ & CH₄ CH₄ & CO₂ N₂ & CO N₂ & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Temperature maintained is 700°C Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Volatile matter in coke is zero Temperature maintained is 700°C Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Volatile matter in coke is zero ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Clinkering tendency Size stability Coking tendency Caking tendency Clinkering tendency Size stability Coking tendency Caking tendency ANSWER DOWNLOAD EXAMIANS APP
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