Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Natural gas Blast furnace gas Sewage gas Coke oven gas Natural gas Blast furnace gas Sewage gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Free impurities Volatile matter Ash Inherent mineral matter Free impurities Volatile matter Ash Inherent mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion About __________ Nm³ of air will be required for the complete combustion of 2Nm³ of CO. 5 1 3 2 5 1 3 2 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 None of these Is more difficult to ignite and produces a shorter flame Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage None of these Is more difficult to ignite and produces a shorter flame Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? Coal tar Molasses Bitumen None of these Coal tar Molasses Bitumen None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? Propane and acetylene Propane and LPG F. gas and coke oven gas Sewage gas and gobar gas Propane and acetylene Propane and LPG F. gas and coke oven gas Sewage gas and gobar gas ANSWER DOWNLOAD EXAMIANS APP
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