Compared to a constant pitch propeller, a...

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Question 1 of 205eccef9cbacbc34ba4d45a9d

Compared to a constant pitch propeller, a controllable pitch propeller __________.

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5eccef9cbacbc34ba4d45a9d

Compared to a constant pitch propeller, a controllable pitch propeller __________.

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🔍 Key Concepts

• Controllable pitch propeller (CPP) vs constant/fixed pitch propeller (FPP): how each changes thrust and absorbs engine power • How a CPP lets you adjust blade angle while keeping engine RPM more constant • Relationship between propeller pitch, engine power, and propulsive efficiency at different operating conditions

💭 Think About

• Think about what happens to engine loading when a vessel with a CPP slows down or operates in varying conditions. How does being able to change pitch help use the engine’s power? • At a fixed ship speed, how would a constant pitch propeller behave versus a controllable pitch propeller when sea conditions or required thrust change? • Which option describes a general advantage of being able to alter blade pitch continuously, instead of being stuck with one fixed pitch?

✅ Before You Answer

• Match each choice to a known characteristic of CPPs: which option describes a well-known design advantage of CPP over fixed pitch? • Check whether any choice would contradict the idea that CPPs are often used on vessels that frequently change speed, load, or maneuver a lot (tugs, ferries, OSVs). Would they choose a system that is usually less efficient? • For each option, ask: does this sound like a universal property of CPPs, or only a special-case situation? Favor the statement that is generally true over a narrow or doubtful case.

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Question 1 of 205eccef9cbacbc34ba4d45a9d

Compared to a constant pitch propeller, a controllable pitch propeller __________.

Back

Question 1 of 20

5eccef9cbacbc34ba4d45a9d

Compared to a constant pitch propeller, a 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

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