What is the purpose of hidden lines and center lines? The purpose of hidden lines is to show where other faces exist that are not seen. Center lines show the diameter of circles in a sketch.
What is the purpose of hidden lines in drawing?
A hidden line, also known as a hidden object line is a medium weight line, made of short dashes about 1/8” long with 1/16”gaps, to show edges, surfaces and corners which cannot be seen. Sometimes they are used to make a drawing easier to understand.
What is the difference between hidden detail lines and centerlines?
Answer: In a scaled drawing, the hidden line can be measured from the start of the first dash, to the end of the last dash. Centre lines are drawn to indicate the exact centre of a component being drawn.
What do hidden lines in orthographic projections represent?
What do hidden lines in orthographic projections denote? Explanation: Hidden lines denote those parts which cannot be seen when viewing the object. They are used when there are holes or slots in the object if they cannot be viewed directly. Change of plane is indicated by outlines.
What do hidden lines mean?
[′hid·ən ′līn] (graphic arts) For a three-dimensional object, a line that cannot be seen because view of it is obstructed by part of the object or of another object.
What are the purpose of construction section object hidden and leader lines?
Construction Line: Very lightly drawn lines used as guides to help draw all other lines and shapes properly. Hidden Line: Lines used to show interior detail that is not visible from the current outside view of the part. Symmetrical parts. They are half as thick as an object line.
What is a centerline definition?
Definition of centerline : a real or imaginary line that is equidistant from the surface or sides of something.
What is the purpose of visible line?
The visible object line (also visible line) is used to outline the visible edges of the object being drawn. They should be drawn so that the views stand out clearly on the drawing. All of the visible object lines on the drawing should be the same weight.
What do you think is the purpose of dimension line?
Dimension Lines It indicates direction and extent of a dimension. In machine sketches and drawings, in which fractions and decimals are used for dimensions, the dimension line is usually broken near the middle to provide open space for the dimension numerals.
What is the importance of orthographic projection over other methods of technical drawing?
Orthographic drawings are important for artists to better see the objects you're drawing in a 3D space. Not only it helps you do this, but it also allows other people that are interested in drawing that object, know all the specifics of the object in ANY angle.
What do Dotted lines mean on house plans?
A dotted line indicates architectural details within interior space, such as a tray or coffered ceiling; they may be called out in writing on the plan, too. A narrow rectangle composed with dotted lines typically indicates a beam in the ceiling.
How lines are used in architecture?
a line can describe the form of a building, it can also be its main mean of expression. we perceive architecture by lines. a line as art in situ enriches the architectural space due to the perspective it plays with the viewer and the substance.
Why do we need engineering drawing standards?
Why do we need engineering drawing standards? Explanation: The main role of having drawing standards is to have a common set of rules, it aids in the effective communication of the engineering drawings.