Your twin-screw vessel is moving ASTERN with...

Question 1 / 2066636ee728f7522a1c518d47

Question 1 of 2066636ee728f7522a1c518d47

Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.

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Question 1 of 20

66636ee728f7522a1c518d47

Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.

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🔍 Key Concepts

• Effect of a single operating screw when a twin-screw vessel is moving astern • How propeller side-force (transverse thrust) changes between ahead and astern • Which way a stern tends to swing versus which way the bow (head) appears to swing

💭 Think About

• First, imagine each screw working astern by itself with rudders amidships. Which way would the stern move for a port screw going astern? For a starboard screw going astern? • Then think: when the stern moves one way, how does that make the bow (vessel’s head) appear to move? • Compare the effect when both screws are working astern to when only the port screw is working astern and the starboard screw has stopped.

✅ Before You Answer

• Be clear on which propeller is still turning — only the port or only the starboard? • Remember that the question asks about the vessel’s head (bow), not the stern. • Recall that astern propulsion often reverses the normal transverse thrust direction you memorized for going ahead. Verify which way the stern (and therefore bow) will swing.

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Question 1 of 20

Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.

go to starboard

suddenly drop down

go to port

remain stationary

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Question 1 / 2066636ee728f7522a1c518d47

Question 1 of 2066636ee728f7522a1c518d47

Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.

Back

Question 1 of 20

66636ee728f7522a1c518d47

Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed