Concerning steerable internal duct...

Question 1 / 205eccef9cbacbc34ba4d45aab

Question 1 of 205eccef9cbacbc34ba4d45aab

Concerning steerable internal duct thrusters, what statement is true?

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Question 1 of 20

5eccef9cbacbc34ba4d45aab

Concerning steerable internal duct thrusters, what statement is true?

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🔍 Key Concepts

• How steerable internal duct thrusters work versus fixed bow thrusters • Difference between changing flow direction mechanically and changing pump rotation or pitch • What a vectoring ring does to a water jet or thruster stream

💭 Think About

• Which part of the system actually changes the direction of the water stream exiting the thruster? • If you only reverse the pump rotation or impeller pitch, does that allow thrust in any direction around the compass, or mainly forward/astern? • Think about how a steerable thruster can push the vessel sideways without the vessel moving ahead or astern.

✅ Before You Answer

• Identify which option involves physically redirecting the discharge flow rather than just changing rotation or pitch • Confirm which component is normally used in marine practice to steer a jet or ducted flow around 360° • Eliminate any choices that would only give you ahead/astern thrust instead of full directional control.

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Question 1 of 20

Concerning steerable internal duct thrusters, what statement is true?

The thrust direction of the steerable internal duct thruster is determined by reversing the pitch angle of the pump impeller.

The thrust direction of the steerable internal duct thruster is determined by the direction of rotation of the pump.

The thrust direction of the steerable internal duct thruster is determined by the orientation of the water discharge vectoring ring.

The thrust direction of the steerable internal duct thruster is determined by the orientation of the pump inlet guide vanes.

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Question 1 / 205eccef9cbacbc34ba4d45aab

Question 1 of 205eccef9cbacbc34ba4d45aab

Concerning steerable internal duct thrusters, what statement is true?

Back

Question 1 of 20

5eccef9cbacbc34ba4d45aab

Concerning steerable internal duct thrusters, what statement is true?

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

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