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Questions and Answers
What is the smallest graduation in the English system of measurement for an inch?
How many inches are in 4 feet according to the English system of measurement?
What is the linear equivalent of 1 millimeter in inches?
What is the linear equivalent of 5 feet in centimeters according to the English system of measurement?
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If a length is given in meters, what is the equivalent length in inches according to the English system of measurement?
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What is the length in millimeters of 2.5 yards according to the English system of measurement?
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What type of projection is used in orthographic drawing?
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In orthographic drawing, what is the assumed position of the object?
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What are the three views generally prepared for an object in orthographic drawing?
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What are the planes called which are kept perpendicular to each other in orthographic drawing?
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Which angle systems are generally used in orthographic drawing due to the issue of overlapping lines of views?
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Study Notes
English System of Measurement
- The smallest graduation in the English system of measurement for an inch is 1/16 of an inch.
- There are 48 inches in 4 feet (since there are 12 inches in a foot).
- 1 millimeter is approximately 0.03937 inches in linear equivalent.
- 5 feet is equivalent to 152.4 centimeters (conversion factor: 1 foot = 30.48 cm).
- To convert meters to inches, multiply the meter length by 39.3701 (1 meter ≈ 39.37 inches).
- The length of 2.5 yards is equivalent to 2,286 millimeters (conversion factor: 1 yard = 914.4 mm).
Orthographic Drawing
- Orthographic drawing uses parallel projection to illustrate three-dimensional objects in two dimensions.
- The assumed position of the object in orthographic drawing is typically in the first angle projection, where the viewer looks from above.
- Three views are generally prepared in orthographic drawing: the front view, top view, and side view (right view).
- Planes kept perpendicular to each other in orthographic drawing are known as principal planes.
- The angle systems commonly used in orthographic drawing include first-angle and third-angle projection to address overlapping lines of views.
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Description
Test your knowledge of the English system of measurement, including the division of inches and reading measurements exceeding 1 inch. Learn about the standardization of measurements in the English system.
