Mechanical Drawing Board and CAD Techniques ©2010

Chapter 16: Pipe Drafting

Practice Tests

1
A ____ prepared on a CAD system allows you to visually walk through a pictorial representation of a pipe system.
A)3D view
B)virtual model
C)presentation drawing
D)3D plot
E)virtual representation
2
Wall thickness in steel pipe is designated by
A)thickness in inches.
B)thickness in millimeters.
C)reference number.
D)schedule.
E)reference letter.
3
While working on a CAD drawing in which you frequently need to change viewpoint, you should display the ____ toolbar on the AutoCAD® screen.
A)Insert
B)Insertpoint
C)Viewpoint
D)Pipingsymbols
E)Dimension
4
The nominal size of pipe is always given in ____ for both the customary system and the metric system.
A)inches
B)thousandths of an inch
C)fractions of an inch
D)centimeters
E)millimeters
5
In small pipe sizes, nominal diameter refers to
A)outside diameter.
B)inside diameter.
C)length and ID.
D)length and OD.
E)ID and OD.
6
Fittings used to connect different size pipes are called ____ fittings.
A)transition
B)transfer
C)truncated
D)enlarged
E)reduced
7
When dimensioning 2D isometric CAD drawings, the drafter should use the ____ command rather than the DIMLINEAR command.
A)DIMSTYLE
B)DIMINSERT
C)DIMALIGNED
D)DIMSTYLE
E)DIMEDIT
8
An air-based piping system is a(n) ____ system.
A)pneumatic
B)hydraulic
C)liquid
D)double-line
E)single-line
9
Extra strong steel pipe is referred to as schedule
A)40
B)60
C)80
D)120
E)140
10
Valves are used to stop, start, or ____ the flow of fluids and gases in a pipe system.
A)reverse
B)mix
C)enhance
D)add pressure to
E)regulate
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