The thread form shown in the illustration is...

Question 1 / 270705eccef9bbacbc34ba4d452de

Question 1 of 270705eccef9bbacbc34ba4d452de

The thread form shown in the illustration is called a/an __________. See illustration GS-0088.

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Question 1 of 27070

The thread form shown in the illustration is called a/an __________. See illustration GS-0088.

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🔍 Key Concepts

• Different thread forms used in fasteners and power screws • Typical included angles for common thread types (e.g., 29°, 55°, 60°) • How the shape of the sides (square vs. slanted) affects the thread name and use

💭 Think About

• Look at the included angle marked 29° in the illustration and think which thread form is known for that angle • Compare the flatness of the crest and root and the sloping sides with what you know about square, Whitworth, and common machine screw threads • Ask yourself which thread form is often used for power transmission (lead screws, vises, jacks) rather than just fastening

✅ Before You Answer

• Match the 29° included angle to the correct standard thread form from your study materials • Confirm whether square threads have any included angle at all between their sides • Verify which named thread form (Whitworth, Acme, Standard) is specifically associated with slanted sides and flat crest/root used on lead screws

Question 1 of 27070

The thread form shown in the illustration is called a/an __________. See illustration GS-0088.

Whitworth thread

Square thread

Acme thread

Standard thread

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