Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Increases the dew point Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Increases the dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Nitrogen Hydrogen Fixed carbon Total carbon Nitrogen Hydrogen Fixed carbon Total carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 10 & 20 10 & 3 3 & 10 15 & 8 10 & 20 10 & 3 3 & 10 15 & 8 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 1500 6500 20000 500 1500 6500 20000 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) GCV at constant volume NCV at constant pressure GCV at constant pressure NCV at constant volume GCV at constant volume NCV at constant pressure GCV at constant pressure NCV at constant volume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Helpful in estimation of its rank Both A and B Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank Both A and B Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter ANSWER DOWNLOAD EXAMIANS APP
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