Question 168Motor Plants - QMED
70% to passWhich of the listed substances can be satisfactorily removed from diesel fuel by centrifuging?
ASludge
BGasoline
CFuel oil
DLube oil
AI Explanation
The correct answer is A) Sludge. Sludge, which is composed of various impurities and contaminants, can be effectively removed from diesel fuel through centrifuging. This process uses centrifugal force to separate the denser sludge particles from the lighter diesel fuel, allowing the purified fuel to be extracted. The other options, B) Gasoline, C) Fuel oil, and D) Lube oil, are not as easily removed by centrifuging. Gasoline and fuel oil have different densities and properties compared to diesel fuel, making their separation more challenging. Lube oil is a different type of petroleum product altogether and would not be present in diesel fuel in the first place.
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