Cert III Mobile Plant Practice Questions - Certificate III In Mobile Plant Technology (AUR31220) Exam

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What is the primary cause of wet cylinder liner cavitation erosion on the outer coolant jacket side of a heavy diesel engine?

Chemical corrosion from using non-demineralised tap water in the cooling system High-frequency liner vibration causing vapor bubbles to collapse against the liner wall Electrical pitting caused by a missing engine block ground strap High oil pressure forcing engine oil past the lower liner O-rings

Correct Answer:

High-frequency liner vibration causing vapor bubbles to collapse against the liner wall

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