What causes a single-screw vessel going...

What causes a single-screw vessel going...

Question 1 of 27070

Q

What causes a single-screw vessel going ahead to turn more rapidly to port?

A

Side force of the propeller

B

Suction current

C

Thrust

D

Discharge current of the propeller

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Question 1 / 2707066636ef128f7522a1c521efd

Question 1 of 2707066636ef128f7522a1c521efd

What causes a single-screw vessel going ahead to turn more rapidly to port?

Question 1 of 27070

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Study area:

Q

What causes a single-screw vessel going ahead to turn more rapidly to port?

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🔍 Key Concepts

• Single-screw, right-hand propeller behavior going ahead • Difference between side force (transverse thrust) and axial thrust • How the propeller race (discharge current) interacts with the hull and rudder

💭 Think About

• When a single-screw vessel goes ahead, which effect makes the stern tend to move sideways and the bow swing the opposite way? • Which option describes a sideways or transverse force, rather than a straight-ahead pushing force? • Think about what actually makes the ship turn faster, not just move forward.

✅ Before You Answer

• Identify which choice refers to transverse (sideways) action of the propeller, not straight-line push • Distinguish between flow of water past the hull/rudder versus the simple forward thrust • Ask: Which of these is commonly linked with the term "propeller walk" or sideways movement of the stern?