Correct answer
C. Carbon dioxide
Explanation
The correct answer is Carbon dioxide.
Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about ________°C?
The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant ________ filtration?
________ increases with increase in pressure?