The greatest horizontal stress between the...

Question 1 / 20673956e598d45f16831b6d7d

Question 1 of 20673956e598d45f16831b6d7d

The greatest horizontal stress between the heads of the booms in the yard and stay rig occurs when the load is in such a position that the __________.

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Question 1 of 20

673956e598d45f16831b6d7d

The greatest horizontal stress between the heads of the booms in the yard and stay rig occurs when the load is in such a position that the __________.

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🔍 Key Concepts

• Yard and stay rig geometry – how the two booms and their heads form a triangle with the load and the topping lifts/falls • Horizontal vs. vertical stress components – how the angle of the falls changes the side (horizontal) pull on the boom heads for the same weight • Vector resolution of forces – how a single load is shared between two stays and how their angles affect the horizontal component

💭 Think About

• Imagine a fixed load weight and slowly move it so the angle of each fall to the horizontal changes – when would the sideways (horizontal) pull between the two boom heads be the greatest? • Think about how the same weight can create larger tension in the falls when the falls are more horizontal vs. more vertical – what does that do to the horizontal component at the boom heads? • Compare the extreme cases: almost straight up and down vs. spread wide out – in which case would the booms be pulled hardest toward each other?

✅ Before You Answer

• Be clear on the difference between tension in the falls and the horizontal component of that tension at the boom heads • Visualize or sketch the force triangle between the two boom heads and the load – identify where the horizontal pull acts • Verify which angle condition causes the largest side pull between boom heads, not just the largest total tension in each fall

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Question 1 of 20

The greatest horizontal stress between the heads of the booms in the yard and stay rig occurs when the load is in such a position that the __________.

falls are at an equal angle to the horizontal

falls are at a 90-degree angle

falls are at a 120-degree angle

falls are vertical

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Question 1 / 20673956e598d45f16831b6d7d

Question 1 of 20673956e598d45f16831b6d7d

The greatest horizontal stress between the heads of the booms in the yard and stay rig occurs when the load is in such a position that the __________.

Back

Question 1 of 20

673956e598d45f16831b6d7d

The greatest horizontal stress between the heads of the booms in the yard and stay rig occurs when the load is in such a position that the __________.

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