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MEO Class II – EK-General : 2012/JAN/03 – 2012/AUG/04 – 2012/NOV/02 – 2012/DEC/03 – 2013/SEP/04 – 2013/NOV/04 – 2014/JAN/03 – 2014/AUG/03 – 2014/OCT/02 – 2014/NOV/09 – 2015/MAR/02 – 2015/APR/06 – 2016/JUL/05 – 2016/NOV/05 – 2016/DEC/06 – 2017/FEB/02 – 2013/AUG/06 – 2015/JUN/09 – 2017/SEP/06 – 2017/NOV/06 – 2011/SEP/02 – 2006/SEP/** – 2010/AUG/**
Question
Q6. With reference to hydraulic system for deck machinery identify: A. The types of contamination likely to be found in hydraulic systems for deck machinery; B. The sources of such impurities; C. Means used to prevent problems with contamination; D. Possible effects of the oil contamination on the system.