Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. None of these Density Porosity Electrical resistivity None of these Density Porosity Electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 55 to 75 15 to 25 35 to 45 75 55 to 75 15 to 25 35 to 45 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is H₂ CH₄ CO₂ CO H₂ CH₄ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 2500 6500 10000 4000 2500 6500 10000 4000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 15 & 8 10 & 20 3 & 10 10 & 3 15 & 8 10 & 20 3 & 10 10 & 3 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Liquified petroleum gas Producer gas Natural gas Carburetted water gas Liquified petroleum gas Producer gas Natural gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
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