A pre-arrival test is being performed with...

Question 1 / 2066636eef28f7522a1c5200d2

Question 1 of 2066636eef28f7522a1c5200d2

A pre-arrival test is being performed with the engine on bridge control. The vessel has a slow speed engine with mechanical starting air system (not electronic). After a stop order, the engine fails to restart in the next ahead direction order. What would be your immediate actions to restart the engine, if the order was still ahead?

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🔍 Key Concepts

• Slow-speed reversing engine with mechanical starting air controls (camshaft positions for ahead/astern) • Difference between loss of starting air pressure vs engine not in correct direction/position • Immediate actions during pre-arrival tests when the telegraph order is still ahead and you need a prompt restart

💭 Think About

• What conditions must be satisfied on a mechanically controlled slow-speed engine before it will admit starting air for an ahead start? • If the engine just successfully stopped from ahead, what simple change might you try with the direction gear and control mode to free up the mechanical starting system before going into full troubleshooting? • Which option focuses on an immediate, practical action to try to get power back quickly, rather than going straight into prolonged troubleshooting or long-term alternatives like anchoring?

✅ Before You Answer

• Verify how a mechanical starting air distributor is driven and how its position relates to the ahead/astern cam setting. • Check which choice actually attempts to re-establish a valid start condition (direction, control mode, and starting sequence) before diving deep into diagnosis. • Make sure the option you select includes prompt communication with the bridge AND a realistic way to attempt a quick restart consistent with mechanical slow-speed engine practice.

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Question 1 of 20

Inform the bridge that all are working on the problem and they may have to consider anchoring until the problem is resolved.

Call the bridge and inform them of the problem. Ascertain that the main starting valve is open and functioning properly and start trouble shooting.

Inform the bridge. Take engine room control of the engine, change the engine's direction to astern position and try to restart in that position. When the engine tries to restart, switch back to ahead and restart.

Question 1 / 2066636eef28f7522a1c5200d2

Question 1 of 2066636eef28f7522a1c5200d2

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Question 1 of 20

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💭 Think About

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