What should you do if you detect an abnormal...

Question 1 / 270705eccefa0bacbc34ba4d47157

Question 1 of 270705eccefa0bacbc34ba4d47157

What should you do if you detect an abnormal vibration in the operating main propulsion turbine?

Question 1 of 27070

What should you do if you detect an abnormal vibration in the operating main propulsion turbine?

🔍 Key Concepts

• Main propulsion turbine operating limits and manufacturer’s guidance • Difference between immediate protective actions vs. reporting and monitoring • Risks of continuing operation under abnormal vibration (damage, imbalance, bearing failure)

💭 Think About

• If a vibration is abnormal and possibly dangerous, which type of action is usually prioritized: gradual monitoring, immediate reduction, or immediate shutdown? • Which option best protects the machinery from catastrophic damage while still being realistic for shipboard turbine operation? • What are the possible causes of sudden abnormal vibration, and how would the safest initial response prevent those from getting worse?

✅ Before You Answer

• Identify which choices involve changing turbine speed/load and which do not. • Ask yourself which option would most quickly limit mechanical stress and potential damage. • Verify which actions are direct responses to vibration itself versus actions that are mainly communication or secondary steps.

Question 1 of 27070

What should you do if you detect an abnormal vibration in the operating main propulsion turbine?

Notify the chief engineer and stand by the throttles.

Immediately slow the turbine until the vibration ceases.

Immediately stop the turbine.

Open the turbine drains until the vibration ceases.

Question 1 / 270705eccefa0bacbc34ba4d47157

Question 1 of 270705eccefa0bacbc34ba4d47157

What should you do if you detect an abnormal vibration in the operating main propulsion turbine?

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Question 1 of 27070

What should you do if you detect an abnormal vibration in the operating main propulsion turbine?