Understanding the Cartesian coordinate system will help the beginning drafter ________.
Control the accuracy of the drawing
Produce a visible grid system
Select a different text style
Choose various line types
Correct Answer :
A. Control the accuracy of the drawing
Related Questions
Placement of dimensions on a drawing is controlled by ________.
ANSI
The design engineer
Corporate drafting standards
All of the above
When lettering a CAD drawing, for clarity you should limit the number of fonts to:
One
Two
Three
Any number
A ________ is the person responsible for verifying that the drawings in a project set are free of mistakes.
Client
CAD trainee
Receptionist
Checker
A typical set of mechanical working drawings includes ________.
Exploded assembly
Part details
Parts list
All of the above
A projection weld is a type of:
Resistance weld
Arc weld
Gas weld
Fillet weld
These are special installations of stone or concrete marking the locations of points accurately determined by precise surveying:
Topographic marks
Hatches
Monuments
Pillars
Isometric drawings are often used by ________ to help illustrate complex designs.
Mechanical engineers
Piping drafters
Aerospace engineers
All of the above
These types of pipes are generally connected with bell and spigot joints or flanged joints:
Soil and waste
Water and gas
Water and steam
Gas and soil
4.The principle reason for using an auxiliary view is ________.
To eliminate hidden lines
To create a true projection plane from an inclined plane in one of the primary views
To show cylinders as ellipses
To locate center marks
This type of auxiliary view is projected onto a plane that is perpendicular to one of the principal planes of projection:
Primary
Secondary
Revolved
Successive
An oil refinery relies on which type of drafter to maintain and update the technical piping drawings used for the construction and maintenance of the facility.
Architectural
Civil
Process piping
Electrical
Acceptable parts must not extend beyond this:
Boundary limits
Hole limits
Specification
Tolerances
This is used to indicate that a surface is to be machined:
Finish mark
Machining mark
Roughness indicator
Coordinate mark
This is how axonometric, oblique, and perspective sketches show objects:
Orthographically
Pictorially
Obliquely
Parallel
The ________ dimension tool will place the length of an angled line.
Aligned
Angle
Linear
Radial
Architectural drawings used to construct a house are often plotted with a scale of ¼ = 1'-0. What scale is this?
Quarter
Half
Full
Double
CAD programs which incorporate parametric modeling utilize a system in which the dimensions control the ________.
Size and shape of the model features
Perspective of the model
Shading used to render the model
All of the above
In order to create an accurate assembly drawing the drafter should create the ________ drawings first.
Detail
Title block
Parts list
Isometric
In this type of auxiliary view, a break line is used to indicate the imaginary break in the views:
Primary
Secondary
Revolved
Partial
Spur gear design normally begins with selecting this:
Rack size
Tooth size
Gear size
Pitch diameter
When the receding lines are true length, and the projectors are at 45 degrees to the plane of projection, the oblique drawing is called this:
Cabinet projection
Cavalier projection
Axonometric projection
Isometric projection
This type of drawing is created to calculate areas, locate property lines, and locate building projects and facilities:
Traverse
Contour
City map
Plat
When dimensioning architectural drawings architects will utilize both ________ and ________ options.
Baseline and continuous
Baseline and linear
Quick dim and linear
Linear and continuous
The offset distance for the width (front to back) distance of the auxiliary view is the same distance of the ________ in the top view.
Width
Height
Length
None of the above
In an oblique drawing, equally spaced partial circles may be used to show this:
Symbolic thread pitch
Ellipses
Cavalier drawings
Projection points
In isometric projection, all distances are approximately this percentage of their true size:
120 percent
80 percent
50 percent
20 percent
This is the term for the range of tightness or looseness resulting from the allowances and tolerances in mating parts:
Limits
Fit
Specifications
Allowance
This is the theoretically exact size from which limits of size are determined:
Actual Size
Dimensioned size
Production size
Basic size
When positioning this feature of perspective projection, the centerline of the cone of visual rays should be directed toward the approximate center of the object:
Station point
Vanishing point
Horizon
Ground line
This is a common method for connecting steel members of buildings and bridges:
Assembly
Fabricating
Riveting
Welding