Concerning the operating mechanism of a...

Question 1 / 205eccef9cbacbc34ba4d45aa2

Question 1 of 205eccef9cbacbc34ba4d45aa2

Concerning the operating mechanism of a controllable-pitch propeller, what statement is true?

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5eccef9cbacbc34ba4d45aa2

Concerning the operating mechanism of a controllable-pitch propeller, what statement is true?

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🔍 Key Concepts

• Controllable-pitch propeller (CPP) basic layout • Difference between inboard and outboard hydraulic actuators • What usually runs inside the propeller shaft: hydraulic oil pipes vs mechanical pull-push rod

💭 Think About

• Picture where the hydraulic power source and control unit are normally located for a CPP system and how that power gets to the hub. • Ask yourself: when the actuator is inboard, do you more likely transmit hydraulic pressure or mechanical motion down the shaft? What about when the actuator is outboard, in the hub? • Compare each option and eliminate any that would require two different transmission methods (pipes and rod) at the same time without a clear reason.

✅ Before You Answer

• Be clear on what an inboard actuator means (actuator in the engine room side, not in the propeller hub). • Be clear on what an outboard actuator means (actuator in or near the propeller hub). • Check which arrangement would most logically put hydraulic oil pipes inside the shaft and which would most logically put a mechanical pull-push rod inside the shaft.

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Question 1 of 20

Concerning the operating mechanism of a controllable-pitch propeller, what statement is true?

If the hydraulic actuator is inboard or outboard, hydraulic oil pipes are located within the propeller shaft in either case.

If the hydraulic actuator is inboard or outboard, the blade rotating mechanism is actuated by a mechanical pull-push rod located within the propeller shaft.

If the hydraulic actuator is inboard, a mechanical pull-push rod is located within the propeller shaft. If the hydraulic actuator is outboard, hydraulic oil pipes are located within the propeller shaft.

If the hydraulic actuator is outboard, a mechanical pull-push rod is located within the propeller shaft. If the hydraulic actuator is inboard, hydraulic oil pipes are located within the propeller shaft.

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Question 1 / 205eccef9cbacbc34ba4d45aa2

Question 1 of 205eccef9cbacbc34ba4d45aa2

Concerning the operating mechanism of a controllable-pitch propeller, what statement is true?

Back

Question 1 of 20

5eccef9cbacbc34ba4d45aa2

Concerning the operating mechanism of a controllable-pitch propeller, 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

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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