Factors to Be Considered for Selection of Fuel

4000 0.8 = 3200 kcal will be available at a cost of Indian Rs. 4/-. That is 800 kcal/Indian Rs. spent on fuel. 

Viscosity at low temperatures— it may be difficult to pump these oils without heating in certain countries (pour point—to be considered). 

Flash point—to be considered from fire hazard point of view. 

Since liquid fuels and natural gas have better atomisation and stable flame characteristics, they need only a small amount of excess air for proper 

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