ACTIVITY 1: IDENTIFICATION
Direction: Identify the following lines applied in mechanical drawing. Write your answer before each number.
1. This is thick dark line used to show the outline, edges, comers, and contours of the object.
2. This is a long and short dash lines use to indicate the size or measure of the parts of the object. This is terminated with arrowheads or tick markings on both ends. The line is thin and dark.
3. It is a thin and dark line with arrowhead use to indicate notes, label for size and special information about a feature.
4. This is long and short dash line use to show the part of the object where the section is to be taken. The line is extra thick and dark.
5. It is a long thin line followed by two short dashes use to show the alternate position of a moving part. 6. A medium weight line use to show the part of the object that cannot be seen when the object is normally viewed.
7. This is a long and short dash lines use to show the middle or center of arcs and circles. The line is dark and thin
8. These are thin and dark lines drawn at 45° use to show the interior solid part of the object
9. It is a thin and dark line use to show the part where the dimension starts and ends
10. This is a thin and dark line with arrowhead used to indicate notes, label for size and special information about a feature.
Direction: Identify the following lines applied in mechanical drawing. Write your answer before each number.
1. This is thick dark line used to show the outline, edges, comers, and contours of the object.
2. This is a long and short dash lines use to indicate the size or measure of the parts of the object. This is terminated with arrowheads or tick markings on both ends. The line is thin and dark.
3. It is a thin and dark line with arrowhead use to indicate notes, label for size and special information about a feature.
4. This is long and short dash line use to show the part of the object where the section is to be taken. The line is extra thick and dark.
5. It is a long thin line followed by two short dashes use to show the alternate position of a moving part. 6. A medium weight line use to show the part of the object that cannot be seen when the object is normally viewed.
7. This is a long and short dash lines use to show the middle or center of arcs and circles. The line is dark and thin
8. These are thin and dark lines drawn at 45° use to show the interior solid part of the object
9. It is a thin and dark line use to show the part where the dimension starts and ends
10. This is a thin and dark line with arrowhead used to indicate notes, label for size and special information about a feature.