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Class 1 Exam Q&A : 2010/JUL/09 – 2010/NOV/09 – 2011/JAN/03 – 2012/JUN/06 – 2012/NOV/07 – 2014/JUN/09 – 2014/JUL/06 – 2014/OCT/06 – 2015/MAR/05 – 2015/JUN/05 – 2015/JUL/07 – 2015/SEP/09 – 2016/JUN/09 – 2017/JUL/01 – 2016/DEC/04 – 2015/JAN/09 – 2021/JUL/03 – 2014/JAN/08 – 2018/FEB/05
Question
Q9. What are the principal reasons responsible for compounding of machinery vibration in connection with operation of a long stroke diesel engines and associated machinery arrangements? What are the key factors for excitations generated by the engines?