Q6
(a) Examine in detail three common but entirely different reasons for loss of steering gear systems.
(5)
(b) State how failure is inhibited in the design, operation and maintenance of steering gear systems
(5)
(c) Describe how a vessel may make port upon irreparable failure of the steering telemotor
(6)
Reference Answer
### (a) Three Common but Entirely Different Reasons for Loss of Steering Gear Systems As a Senior MEO Class 1 Examiner, I would expect a candidate to identify three failure modes from distinct domains: Hydraulic, Electrical, and Mechanical. This demonstrates a comprehensive understanding of the system's complexity. 1. **Hydraulic System Failure: Catastrophic Loss of Hydraulic Fluid** * **Cause:** The most common cause is the fracture or rupture of a main hydraulic pipe, often due to fatigue, vibration, or corrosion. A failed flange packing or a faulty seal on a ram can also lead to a rapid loss of oil.
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