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15 questions
What are the principal views of the orthograohic projection ?
Left, right, top and bottom
Left, right, up, down and front
Left, right, top, bottom, rear and front
I don´t remember :(
What is an orthographic projection?
Is a 2-D representation of a 3-D object.
Is a 1-D representation of a 3-D object.
Is a 1-D representation of a 2-D object.
Is a 2-D representation of a drawing
How many views do we need to describe this part?
3
4
1
2
What's the name of the element with the arrow?
Circle of centers
Axes of symmetry
Center line
Circle point
Which image represents the front view?
Its a rule when you use center lines in the circles
Center lines should intersect by crossing either the long dashes or the short dashes.
Dashes should join at corners
Center lines shouldn´t intersect by crossing either the long dashes.
It is not necessary to have dashes
Definition of hidden lines
Are used to indicate imaginary features such as alternate positions of moving parts
Represent hidden edges and boundaries.
Are used to show the size of an object
Are used to show where an imaginary cut has been made through the object
Definition of visible lines
Are used to indicate imaginary features such as alternate positions of moving parts
Represent hidden edges and boundaries.
Are used to show the size of an object
Represent visible edges and boundaries.
Definition of breaking lines
Are used to indicate imaginary features such as alternate positions of moving parts
Are used to show imaginary breaks in objects.
Are used to show the size of an object
Represent visible edges and boundaries.
Definition of extension lines
Represent axes of symmetry.
Are used to show imaginary breaks in objects.
Are used to show the size of an object
Are used to show areas that have been cut by the cutting plane.
How many views do we need to completely describe a sphere?
1
2
5
4
How many views do we need to completely describe this part?
3
1
4
2
What are missing in th red rectangles?
Width and front view
Height and width
Height and right view
Top view and right view
What's the name of the line in the arrow?
Center line
Visible line
Middle line
Half line
What is the name of the line that the red arrow is pointing?
Dashes line
Solid line
Center line
Hidden line
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