This type of drawing shows two lines representing the pipe diameter:
Single-line
Double-line
Standard piping
Centerline piping
Correct Answer :
B. Double-line
Related Questions
These plans, made by the steel fabricator, are assembly drawings for the steel structure:
Welding plans
Assembly plans
Construction plans
Erection plans
Isometric drawings are often used by ________ to help illustrate complex designs.
Mechanical engineers
Piping drafters
Aerospace engineers
All of the above
When dimensioning piping drawings, you give the lengths of all runs of this type:
Straight
Angular
Filleted
Transverse
These gears transmit power between shafts whose axes intersect at any angle:
Worm gears
Spur gears
Bevel gears
Racks
This is a rounded exterior blend between surfaces:
Fillet
Round
Taper
Chamfer
These are lines drawn on a map to locate, in the plan view, points of equal ground elevation:
Contours
Elevations
Profiles
Hatches
This is the theoretically exact size from which limits of size are determined:
Actual Size
Dimensioned size
Production size
Basic size
This is the smallest diameter of a screw thread:
Internal thread diameter
Minor diameter
Major diameter
External thread diameter
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
Baseline dimensions are referenced from a common geometric feature known as a ________.
Edge
Corner
Datum
Point of reference
In the section view, the areas that would have been in actual contact with the cutting plane are shown with:
A cutting plane line
Section lining
Visible lines
Lines and arrows
Auto-CAD refers to isometric ellipses as ________.
Ellipses
Iso-ellipses
Iso-circles
Circles
A secondary auxiliary view is a projection off of the ________.
Front view
Top view
Primary auxiliary view
None of the above
This type of axonometric drawing has equal foreshortening along two axis directions and a different amount on the third axis:
Dimetric
Multiview
Isometric
Trimetric
Dimensions are used on the elevation plan to describe ________.
Finished floor elevations
Roof overhangs
Roof pitch angles
All of the above
3.When lines intersect on a drawing at angles of this many degrees, it is customary not to dimension the angle:
360
180
90
45
In this type of auxiliary view, a break line is used to indicate the imaginary break in the views:
Primary
Secondary
Revolved
Partial
This type of solid has a polygon for a base and triangular lateral faces that intersect at a vertex:
Pyramid
Prism
Cone
Torus
This allows the performance of structures to be analyzed and tested efficiently, accurately, and quickly:
Computer-aided manufacturing
Computer-aided design
Computer-aided engineering
Computer-aided prototyping
A half-moon protractor is divided into how many degrees?
360
180
270
310
On typical electronic diagrams, these items need not be shown unless they are needed for clarification:
Transmission diagrams
Operating relays
Closed relays
Terminal circles
The Free Orbit tool is found on the ________ toolbar.
Rotate
Move
Modify
3-D Move
When filling an area with a hatch pattern in Auto-CAD the drafter needs to be able to ________.
See the entire bounding area to hatch
Set Ortho on
Turn ISO grid off
Set the layer to Defpoints
This is a line terminated by arrowheads, indicating the direction and extent of a dimension:
Dimension line
Extension line
Arrowhead line
Centerline
These breaks are used to shorten the view of an object:
Section breaks
Aligned breaks
Conventional breaks
Full breaks
When creating your own blocks it is important to avoid drawing any portion of the block in the ________ layer.
Zero
Center line
Hatch
Hidden line
Circular shapes appear in this fashion when viewed at an angle other than 90 degrees:
Circular
Elliptical
Lengthened
Angular
The typical parts list should include the ________.
Part number
Manufacturing material
Number of parts needed
All of the above
When drawing a line using the relative coordinate system a line is created from ________.
0, 0
The ending point of the last line
The beginning point of the last line
None of the above
This is the range of digital or hard copy documents that specify the physical function requirements for a product:
Product design
Product definition
Drawing definition
Engineering design