Class 2 (2nd Engineer) MEP 📅 Aug 2023

Exam Question

It is found that the Tie Rods are presistently becoming slack:

(a) State, with reasons, the possible causes (6)

(b) State, with reasons, the likely effects on the engine if it is allowed to operate with slack tie rods (5)

Reference Answer

(a) Possible causes of tie rods becoming slack:
Tie rods may not be tightened to the manufacturer's specifications during assembly or maintenance, leading to slackness over time.
Prolonged operation under overload conditions can cause increased stress on the tie rods, potentially loosening them.
Loose foundation bolts can lead to excessive vibration, which can shake the tie rods loose.

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