Thread Types and Applications

Thread Types and Applications

Assessment

Interactive Video

Science, Physics, Other

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video discusses various types of screw threads used for power transmission, including V threads, square threads, acme threads, buttress threads, knuckle threads, and Whitworth threads. Each type is explained in terms of its shape, angle, and specific applications. V threads are used for fastening due to their ease of manufacture and high friction. Square threads are used for motion transmission with less friction but are costly to produce. Acme threads, a modified square thread, are easier to cut and stronger, used in power screws. Buttress threads handle high axial thrust and are used in high-load machines. Knuckle threads are for rough work, while Whitworth threads are used in special-purpose fastenings.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the angle of the V thread, also known as the Unified thread?

60 degrees

45 degrees

90 degrees

30 degrees

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are V threads commonly used for fastening?

They are easy to manufacture

They have low friction

They are expensive

They are difficult to produce

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key characteristic of square threads?

Asymmetrical design

Perpendicular flanks

Rounded top

High friction

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which application is NOT typically associated with square threads?

Railway couplings

Lead screws

Clamps

Vices

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the angle of the acme thread?

29 degrees

90 degrees

45 degrees

60 degrees

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What advantage does the acme thread have over the square thread?

Higher friction

Easier to cut

More expensive

Less durable

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary design purpose of the buttress thread?

Low friction

Symmetrical design

Cost-effectiveness

High axial thrust in one direction

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