*$_Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ ¬¨‚àûC.?

*$_Preheating temperature of medium viscosity furnace oil for better a

1.	*$_Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ ¬¨‚àûC.?
A.	50
B.	70
C.	90
D.	140
Answer» D. 140