A twin screw vessel, making headway with...

Question 1 / 2066636ee728f7522a1c5182b7

Question 1 of 2066636ee728f7522a1c5182b7

A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you take which action?

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Question 1 of 20

66636ee728f7522a1c5182b7

A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you take which action?

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🔍 Key Concepts

• Transverse thrust (propeller walk) on right-hand vs left-hand propellers • Effect of reversing one engine on a twin-screw vessel that is already moving ahead • Interaction between rudder effectiveness and propeller wash

💭 Think About

• First, decide which way a typical right-hand propeller tends to walk when put astern and how that affects the vessel’s bow and stern. • Think about what happens if the port engine is reversed while the ship still has headway with both screws originally going ahead—what happens to the stern and which way will the bow tend to swing? • Consider whether the rudder is more or less effective when you keep propeller wash flowing directly over it versus when you remove or reverse that wash on one side.

✅ Before You Answer

• Be clear on which direction a right-hand propeller in reverse pushes the stern (and thus swings the bow). • Confirm whether the scenario assumes conventional outward-turning screws when going ahead (port left-hand, starboard right-hand). • Check which engine reversal (port or starboard) combined with rudder position will most strongly support a turn to starboard given existing headway.

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Question 1 of 20

A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you take which action?

Reverse starboard engine, rudder amidships

Reverse port engine, rudder amidships

Reverse port engine, apply right rudder

Reverse starboard engine, apply right rudder

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Question 1 / 2066636ee728f7522a1c5182b7

Question 1 of 2066636ee728f7522a1c5182b7

A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you take which action?

Back

Question 1 of 20

66636ee728f7522a1c5182b7

A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you take which action?

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