Which of the below engines might power a...

Question 1 / 2066636ef128f7522a1c52365b

Question 1 of 2066636ef128f7522a1c52365b

Which of the below engines might power a large merchant vessel with a direct drive controllable pitch propeller?

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Question 1 of 20

66636ef128f7522a1c52365b

Which of the below engines might power a large merchant vessel with a direct drive controllable pitch propeller?

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🔍 Key Concepts

• Relationship between controllable pitch propellers (CPP) and the need (or not) for a reversing main engine • Typical speed range and application of slow-speed vs medium-speed diesels on large merchant vessels • How direct drive limits or affects the choice of engine type and gearing

💭 Think About

• Ask yourself: With a controllable pitch propeller, do you need the engine itself to reverse, or can you get astern thrust another way? • Think about which engine types are commonly used with reduction gears versus direct drive shafts on big ocean‑going ships. • Consider whether slow‑speed or medium‑speed engines are more often coupled directly to the propeller shaft without a gearbox.

✅ Before You Answer

• Identify whether a CPP system usually requires a reversing engine or not when used in direct drive. • Check which engine type (slow vs medium speed) is typically direct coupled to the propeller without reduction gearing on large merchant ships. • Eliminate any answer where the engine characteristic does not logically match both direct drive and controllable pitch operation.

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Question 1 of 20

Which of the below engines might power a large merchant vessel with a direct drive controllable pitch propeller?

Slow speed, reversing engines

Medium speed, non-reversing engines

Slow speed, non-reversing engines

Medium speed, reversing engines

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Question 1 / 2066636ef128f7522a1c52365b

Question 1 of 2066636ef128f7522a1c52365b

Which of the below engines might power a large merchant vessel with a direct drive controllable pitch propeller?

Back

Question 1 of 20

66636ef128f7522a1c52365b

Which of the below engines might power a large merchant vessel with a direct drive controllable pitch propeller?

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