ADDA Drafting Certification: Competency 2(Equipment, Techniques, Rules, Principles) Exam Study Guide with Complete Solutions
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Course
ADDA Drafting Certification
Institution
ADDA Drafting Certification
ADDA Drafting Certification:
Competency 2(Equipment, Techniques,
Rules, Principles) Exam Study Guide
with Complete Solutions
scale – Answer-1. A straight-edged strip of rigid material marked at regular intervals and used to
measure distances. 2. A proportion between two sets of dimensions us...
ADDA Drafting Certification:
Competency 2(Equipment, Techniques,
Rules, Principles) Exam Study Guide
with Complete Solutions
scale – Answer✔✔-1. A straight-edged strip of rigid material marked at regular intervals and used to
measure distances. 2. A proportion between two sets of dimensions used in developing accurate, larger
or smaller prototypes, or models of design ideas.
full-divided - Answer✔✔-every inch on scale is divided into as many parts as it measures
open-divided - Answer✔✔-only one inch on scale is divided into as many parts as the scale measures
steel rule - Answer✔✔-more accurate than a plastic; of all measuring tools, it is the simplest and most
common; used to measure up to 300mm; measure straight line accurately
1:2 - Answer✔✔-half size
1:4 - Answer✔✔-quarter size
mechanical scale - Answer✔✔-has 10 scales; used for mechanical drafting
triangles - Answer✔✔-two (generally plastic) pieces of equipment used to create parallel and
perpendicular lines, as well as lines at 30, 60, and 45 degrees
drafting machine - Answer✔✔-replaced need for t-squares, protractor, scales, and triangles all in one
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