If the pitch of the propeller is 20.6 feet,...

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Question 1 of 2066636eea28f7522a1c51b490

If the pitch of the propeller is 20.6 feet, and the revolutions per day are 107,341, calculate the day's run allowing 3% positive slip.

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Question 1 of 20

66636eea28f7522a1c51b490

If the pitch of the propeller is 20.6 feet, and the revolutions per day are 107,341, calculate the day's run allowing 3% positive slip.

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🔍 Key Concepts

• Propeller pitch as the theoretical distance advanced per revolution • How to apply slip percentage (positive vs. negative) to the theoretical distance • Converting total distance in feet to nautical miles using feet per nautical mile

💭 Think About

• First, find the theoretical distance the ship would travel in one day with zero slip. How do you combine pitch and revolutions per day to get this? • Next, how does a 3% positive slip change that theoretical distance: do you multiply by (1.03) or by (0.97)? Why? • After you get the adjusted distance in feet, how do you convert that to nautical miles, and which answer choice is closest to your result?

✅ Before You Answer

• Be clear whether the slip is positive (actual distance greater than theoretical) or negative (actual distance less than theoretical) before applying the percentage. • Make sure you are using feet per nautical mile (about 6,080 ft per NM) rather than per statute mile when you do the conversion. • Double-check that the revolutions are per day, so you do not need to convert time units again once you’ve used the daily revolution figure.

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Question 1 of 2066636eea28f7522a1c51b490

If the pitch of the propeller is 20.6 feet, and the revolutions per day are 107,341, calculate the day's run allowing 3% positive slip.

Back

Question 1 of 20

66636eea28f7522a1c51b490

If the pitch of the propeller is 20.6 feet, and the revolutions per day are 107,341, calculate the day's run allowing 3% positive slip.

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

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