PRINCIPLES OF DRAFTING AND SHOP DRAWING - OD1641 - LESSON 1/PE 1
PRACTICAL EXERCISE 1
1.
Instructions
Successful completion of this exercise provides indication of success in this
subcourse. On a blank sheet of paper write down the answers to the questions that
follow.
Then check your answers against those provided on the answer page
following the questions.
2.
Requirement
a)
Name the six orthographic views.
b)
How many classes of sketches are there?
c)
What is a T-square used for?
d)
A protractor does what?
e)
What is the geometric way of finding the center of any line?
f)
Isometric drawings may be dimensioned by using either the _ _ _ _ _ _ _ _ _ _
or _ _ _ _ _ _ _ _ _ _ system.
g)
What makes it very easy to transfer information from the orthographic front
view to the oblique front view?
h)
Briefly explain
the
uses
of
the
three
types
of
lines
associated
with
dimensioning.
i)
Explain the coordinate system of dimensioning.
j)
What do phantom lines show?
k)
A sectional view allows you to look _ _ _ _ _ _ _ _ _ _ _an object shown on a
shop drawing.
l)
Briefly describe the two types of production drawings.
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