Lubrication systems test Questions and Correct Answers Latest Update, Graded A+

Since the early 1960s, road draft tubes have been used to replace PCV systems T or F o :## False Tech A says additive packages make up as much as one third of the volume of a container of oil. Tech B says friction modifiers added to oil help the oil stick to metal surfaces. Who is right? o :## Tech A Tech A says when oxygen is mixed with oil, it will extend the life of the oil. Tech B says excessively rich air-fuel mixtures can turn the oil black. Who is right? o :## Tech B Tech A says windage tray helps to keep air pockets out of the oil at high speeds. Tech B says the lubrication system should be primed before starting an engine that has just been rebuilt. Who is right? o :## Both 2 | P a g e : 2 0 2 4 | G r a d e A + Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update Excessive clearance at a main bearing will result in low oil pressure at the rocker arms or valve lifters. T or F o :## True Oil is being discussed. Tech A says oil never wears out. Tech B says there are many additives in oil that will become depleted during engine operation. Who is correct? o :## Both Tech A says that pleated paper is generally used in bypass oil filters. Tech B says a relief valve that is stuck closed will result in high oil pressure at idle. Who is right? o :## Both Tech A says too much oil can cause excessive oil consumption. Tech B says to much oil in the crankcase can cause aeration of the oil. Who's right? o :## Both What does SAE stand for? o :## Society of Automotive Engineers Tech A says the primary job of anti wear additives is to protect the camshaft and lifters. Tech B says ZDDP has been commonly used as an anti wear additive. Who's right? o :## Both 3 | P a g e : 2 0 2 4 | G r a d e A