ME151 Multiple Choice Questions
Orthographic Projection: Right Angle Projection
Spatial relationship between principle planes of projection is that they are perpendicular to each other.
If auxiliary view projection from left side view, the principal dimension of width will be seen.
Construction of the true size of an incline surface requires a primary auxiliary view and an edge view of a
surface (incline)
Auxiliary views projections are a type of multiview drawing.
An incline surface is inclined to 2 principle planes of projection and perpendicular to one principle plane
(C & D)
A full section view is a type of multiview drawing
An offset section view with multiple cutting planes is a special sequence of views intended only to show
what occurs at the cutting plane lines
3 principle planes in orthographic projection
6 principle views in a multiview drawing
Perpendicular distance between 2 profile planes of surfaces is the width dimension
Perpendicular distance between “frontal planes” is the depth dimension
Width: principle dimension not visible in a side view
Line used to represent is hidden line
Primary auxiliary view projected from profile or side view will show principle dimension of width
Primary auxiliary view are projected from principle views
Principal dimension of height is visible in an auxiliary view projected from the top view
the cutting plane line illustrates to us where the view has been cut for the section view and indicates the
line of sight
A revolved section is (all of the above)
A half section removes 25% of the object for a section view
The section lining in a section view indicates where cutting planes cuts solid mass in object, type of
material of section view, where the holes/voids are (all the above)
The drawing of a part gives us the shape description of the part and the true size of the inclines in
auxiliary views
Contour dimensioning means that in the dimensioning process you (B & C) Dimension to views where
you can see the true relationship between adjacent geometry, Dimension to circular views of circles and
arcs
The hidden line is included in multiview drawings except for full section views
The software package is Pro/E Wildfire