Explain how to sketch horizontal lines.
What will be an ideal response?
In sketching, the pencil is held 3/40 to 10 from the point so the lines to be drawn may be seen easily and there is a free and easy movement of the pencil. A free arm movement makes it possible to sketch smooth, neat lines as compared with the rough and inaccurate lines produced by a finger and wrist movement.
In planning the first horizontal line on a sketch, place two points on the paper to mark the beginning and end of the line. Place the pencil point on the first dot. Then, with a free arm movement and with the eyes focused on the right point, draw the line from left to right.
Examine the line for straightness, smoothness, and weight. If the line is too light, a softer pencil or a more rounded point may be needed. On long lines, extra dots are often placed between the start and finish points of the line. These intermediate dots are used as a guide for drawing long straight lines.
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Describe the purpose of the American Institute of Steel Construction and list the types of materials that they publish.
What will be an ideal response?
Front wheel bearings on rear-wheel-drive vehicles do not wear out very often. However, bearing misalignment can be caused by a bent spindle; this increases the load on the bearing.
Answer the following statement true (T) or false (F)
Find the effective value of f(t) defined in Fig. 11.65.
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Any material that is ____________________ can be cut using the PAC process.
Fill in the blank(s) with the appropriate word(s).