Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 10, 000 35, 000 25, 000 2500 10, 000 35, 000 25, 000 2500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Is a measure of its caking tendency Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is related to its calorific value Is a measure of its caking tendency Gives an idea of the fusion temperature of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Ash Volatiles Moisture Carbon Ash Volatiles Moisture Carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Ash Moisture Sulphur & phosphorus None of these Ash Moisture Sulphur & phosphorus None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas containing least amount of tar is produced by the Partial combustion of coal Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of coal Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) High pressure gasification of coal (e.g. in Lurgi gasifier) 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 pressure NCV at constant volume NCV at constant pressure GCV at constant volume GCV at constant pressure NCV at constant volume NCV at constant pressure GCV at constant volume ANSWER DOWNLOAD EXAMIANS APP
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