The component labeled "II", as shown in the...

Question 1 / 2066636ef128f7522a1c52113d

Question 1 of 2066636ef128f7522a1c52113d

The component labeled "II", as shown in the illustration, is called the __________. Illustration SE-0013

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Question 1 of 20

66636ef128f7522a1c52113d

The component labeled "II", as shown in the illustration, is called the __________. Illustration SE-0013

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🔍 Key Concepts

• Double reduction gear trains and how power flows from the turbine (high‑speed shaft) to the propeller shaft • The difference between a pinion (small driving gear) and a gear/wheel (larger driven gear) in each reduction stage • How double helical (two half gears) on the same shaft form one functional gear in marine reduction gears

💭 Think About

• Trace the power path: which small gear on the turbine shaft drives which larger gear, and then which smaller gear drives the large bull gear on the propeller shaft? • Look at which component labeled II is physically meshing with the small gear on the separate shaft—does that make it part of the first or the second reduction stage? • Notice that I and II are two halves of a double‑helical unit on the same hub: in a typical double reduction layout, what is that combined unit usually called?

✅ Before You Answer

• Confirm whether component II is on the same shaft as III, and how that affects whether it belongs to the first or second reduction stage • Identify which gear (IV, the big bull gear) is on the low‑speed/propeller shaft, then decide if II is upstream or downstream of that • Verify that a pinion is the smaller gear in a mesh and the term gear (or wheel) is used for the larger member in that same mesh

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Question 1 of 20

The component labeled "II", as shown in the illustration, is called the __________. Illustration SE-0013

high-speed pinion

second reduction gear

second reduction pinion

first reduction gear

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Question 1 / 2066636ef128f7522a1c52113d

Question 1 of 2066636ef128f7522a1c52113d

The component labeled "II", as shown in the illustration, is called the __________. Illustration SE-0013

Back

Question 1 of 20

66636ef128f7522a1c52113d

The component labeled "II", as shown in the illustration, is called the __________. Illustration SE-0013

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