For example, holes require center lines to identify the center and show that it is round. In this highly interactive object, learners associate basic line types and terms with engineering drawing geometry. radius of an arc is to be indicated, there is an arrow at only the end of the line that touches the arc. The Bureau of Indian Standards has prescribed the types of lines in its code IS-10714-1983 to be used for making a general engineering drawing. Basic Types of Lines Used in Engineering Drawings By Kelly Curran Glenn Sokolowski. The other end, without an arrow, terminates at the point used as the center in drawing the arc. Solutions – Applications of Lines. Download ED Notes – 6 Uncategorized / By Engineering Drawing Basics. The Line … Download ED Notes – 2 Engineering-Drawing-Part-3. Types of Lines. The arrowhead on a dimension or leader line is an important detail of a drawing. Line types used in technical drawing are used for different purposes to provide specific information to the people looking at the drawing. The basis of any drawing is a line. The use of a right type of line results in a correct drawing. Download ED Notes – 3 Engineering-Drawing-Part-4. Engineering-Drawing-Part-1. Download ED Notes – 1 Engineering-Drawing-Part-2. It is a basic requirement and … Download ED Notes – 4 Engineering-Drawing-Part-5. Putting the Line types, Line weights and Line type scales together, we get the following Line type Definitions to use in our drawings. Certain features on a Engineering Drawing requires specific ways of indication. Drafting students or those reading the drawings have to learn what they mean, just as one learns a new language. Figure 3-31.-Breaking extension lines and leaders at points of intersection. I have amalgamated the definitions from the engineering drawing supplement and the construction drawing supplement together. Different line types used on Engineering Drawings. A quiz completes the activity. Download ED Notes – 5 Engineering-Drawing-Part-6. I guess like any type of technical drawing you need to have an understanding of what device you’re trying to illustrate, its functions, and the space creators need to understand while assembling. Each line is used for a definite purpose and it should not be used for anything else.