A twin-screw vessel with a single rudder is...

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Question 1 of 2066636ee728f7522a1c518d48

A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?

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Question 1 of 20

66636ee728f7522a1c518d48

A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?

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🔍 Key Concepts

• Transverse thrust and propeller side forces on twin-screw vessels • How rudder force is created by water flow (propeller race vs. general headway flow) • The difference in maneuverability between twin-screw and single-screw ships

💭 Think About

• Think about what actually makes a rudder effective: is the main turning force coming from water pushed by the propellers, or from general water flow along the hull? • On a twin-screw ship, what happens if one engine is stopped while the other keeps going ahead at full speed? Which way will the ship tend to swing? • Compare how easily a twin-screw vessel can be turned using just the rudder versus using differential engine control. Which statement might be overstating rudder-only performance?

✅ Before You Answer

• For each option, ask: does this match real twin‑screw handling behavior with engines full ahead and no wind/current? • Visualize the flow of water over the rudder when both screws are turning ahead versus when one is stopped. • Be sure that the FALSE statement is inconsistent with how rudder forces or twin‑screw handling actually work, even if it sounds plausible.

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Question 1 of 2066636ee728f7522a1c518d48

A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?

Back

Question 1 of 20

66636ee728f7522a1c518d48

A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?

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

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