ACCP SUBCOURSE NUMBER
0478, DIMENSIONAL MEASUREMENTS
Exercises for Lesson 4
1.
Today's precision gage blocks are of three styles: square
with a
center hole, square without a center hole, and
a.
round
c.
rectangular
b.
triangular
d.
parallel
2.
How many grades of gage blocks will you normally come into contact
with?
a.
1
c.
3
b.
2
d.
4
3.
Cleaning fluid is suitable substitute for gage block cleaner to clean
a.
gasoline
c.
ethyl alcohol
b.
kerosene
d.
scouring powder
4.
What is used to check gage blocks for wringing quality?
a.
optical quality
c.
demagnetizer
b.
deburring stone
d.
lint-free tissue
5.
What type of light is used with the optical flat?
a.
fluorescent
c.
monochromatic
b.
iridescent
d.
incandescent
6.
A 1 inch gage block must normalize at room temperature how long?
a.
2 hours
c.
8 hours
b.
4 hours
d.
9 hours
7.
In addition to parallelism and size, what other parameter is checked
on the gage block?
a.
temperature stability
c.
flatness
b.
d.
dust particle count
8.
How many flatness entries are
made on the
worksheet for one gage block?
a.
1
c.
4
b.
2
d.
5
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