In addition to achieving a speed reduction...

Question 1 / 2066636eef28f7522a1c51f671

Question 1 of 2066636eef28f7522a1c51f671

In addition to achieving a speed reduction for efficient propeller operation, what statement represents other possible functional purposes for reduction gears?

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Question 1 of 20

66636eef28f7522a1c51f671

In addition to achieving a speed reduction for efficient propeller operation, what statement represents other possible functional purposes for reduction gears?

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🔍 Key Concepts

• Reduction gears and how they change speed vs. direction of rotation • How reversing propeller thrust is normally accomplished on large vessels • How reduction gears can connect one engine to many shafts or many engines to one shaft

💭 Think About

• Think about whether reduction gears themselves normally reverse the direction of propeller thrust, or if another component usually handles ahead/astern. • Consider if reduction gears are ever used to take power from more than one engine and combine it, or from one engine and split it to more than one shaft. • Ask yourself: do reduction gears usually provide shaft direction reversal, shaft thrust reversal, or just speed and torque changes plus power combining/splitting?

✅ Before You Answer

• Verify how ahead/astern propulsion is usually achieved: by the gear set itself, or by a controllable-pitch propeller (CPP) or reversing engine/gear feature. • Confirm that reduction gears can be arranged for twin-input/single-output or single-input/twin-output configurations in marine plants. • Check whether "propeller thrust reversal" is a realistic function of reduction gears alone, or if that wording is misleading.

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Question 1 of 20

In addition to achieving a speed reduction for efficient propeller operation, what statement represents other possible functional purposes for reduction gears?

Reduction gears can be used for propeller thrust reversal and reduction gears can be used for multiple prime mover inputs.

Reduction gears can be used for engine rotation reversal and reduction gears can be used for multiple propeller shaft outputs.

Reduction gears can be used for propeller thrust reversal and reduction gears can be used for multiple propeller shaft outputs.

Reduction gears can be used for engine rotation reversal and reduction gears can be used for multiple prime mover inputs.

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Question 1 / 2066636eef28f7522a1c51f671

Question 1 of 2066636eef28f7522a1c51f671

In addition to achieving a speed reduction for efficient propeller operation, what statement represents other possible functional purposes for reduction gears?

Back

Question 1 of 20

66636eef28f7522a1c51f671

In addition to achieving a speed reduction for efficient propeller operation, what statement represents other possible functional purposes for reduction gears?

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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