Scaling and Dimensioning Drawings Flashcards
a ? is a mathematical relationship between an actual object and the drawing of the object.
Scale
scaling is used on blueprints and is normally shown in the ?
title block
In reading blueprints, the dimensions given supersede any measurements taken using the scale. T or F
True
A ? is a device used to take readings off a blueprint.
curvimeter
? lines are used in a blueprint to transfer a point on a plan so that it can be dimensioned.
Extension
Extension lines always stop short of the drawing and do not touch it. T or F
True
The end of a dimension line may be indicated with an arrowhead, a slash, or a dot. T or F
True
Size dimensions define the length, width, and height of a structure, such as what might be used in the profile of a building.
T or F
True
Dimensions are normally placed over the dimension line, or may be inserted in a break in the dimension line. T or F
True
A scale of one inch equals fifty feet is typically used in a(n) ? scale drawing.
Civil Engineers
The floor plan of a substation control house would normally be drawn using a(n) ? scale.
architects scale
If the dimensions in the field are in conflict with the blueprint, ? .
contact the job supervisor for clarification
The type of line that always stops short of the drawing and does not touch it is the ? line. They are drawn at 90° from the surface being measured.
Extension
Location dimensions are used to define the distance of the structure from a known reference point such as a wall, fence, or other structure. T or F
True