USE/CARE OF HANDTOOLS & MEASURING TOOLS - OD1621 - LESSON 3/PE 3
PRACTICAL EXERCISE 3
On a plain sheet of paper, write down the answers to the following
questions.
When you have answered them, turn the page and check your
answers.
1.
An inch in the English system is equivalent to how many millimeters?
2.
The American National screw thread system is based on what degree
thread angle?
3.
4.
What is the purpose of scribers?
5.
What type of scriber is used to lay out lines on very hard materials,
such as hardened steel and glass?
6.
A flexible rule is able to bend over rounded surfaces because it is
made of _______________________________________.
7.
What item is designed to transform any straight steel rule into a rule
that can be used to lay out keyways on a cylindrical surface of a shaft?
8.
What function does a divider perform?
9.
What type of caliper is used to measure diameter and distances in
tapped holes?
10.
Micrometers are used for measurements requiring _____________________.
11.
How is a standard micrometer read?
12.
Where is the only place that a micrometer should be oiled?
13.
In what form is the feeler gage made?
14. What are the two thread gages that are used in connection with the
machining and inspection of threads?
15.
What is the maximum measuring capacity of the small hole gage?
268