Technical Drawing and Alphabet of Line

What is the purpose of a technical drawing?

• To provide clear and accurate information about how an object is to be manufactured

• To express the features of designed products clearly and accurately

• To show the size of an object with a numeric value

• To indicate the center of holes, circles, and arcs

What is the significance of line weight in technical drawing?

• To express contrast and importance

• To show non-visible surfaces

• To indicate the direction of view

• To show the starting and ending of dimensions

Which line symbol is used to show the outline of an object and visible edges and surfaces?

• Construction line

• Hidden line

• Object or visible line

• Dimension line

What type of line is used to construct layout work?

• Object or visible line

• Construction line

• Hidden line

• Dimension line

Which line symbol is used to show the size of an object with a numeric value?

• Dimension line

• Center line

• Extension line

• Cutting plane line

What type of line is used to show non-visible surfaces?

• Hidden line

• Center line

• Extension line

• Cutting plane line

Which line symbol is used to indicate the center of holes, circles, and arcs?

• Dimension line

• Center line

• Extension line

• Cutting plane line

What type of line is used to show the starting and ending of dimensions?

• Dimension line

• Center line

• Extension line

• Cutting plane line

Which line symbol is used to show cutaway views or the plane of projection where a section view is taken?

• Dimension line

• Center line

• Extension line

• Cutting plane line

What type of line is used to show alternate positions of moving parts?

• Dimension line

• Leader line

• Phantom line

• Section line