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WorksheetsTapping and Threading
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which tap does the threads gradually cut into the material from the beginning of the tap?
a)
Tapered tap
b)
Plug tap
c)
Bottoming tap
d)
Starter tap
2.
What does the 1.5 refer to in the tap size M10 X 1.5?
a)
Major diameter
b)
Minor diameter
c)
Pitch
d)
Distance between each thread
3.
what does 12 refer to in the thread size M12 X 1.75?
a)
Major diameter
b)
Minor diameter
c)
Threads per inch
d)
Distance between each thread
4.
When drilling a hole that has to be tapped, the drill size should be ________
a)
Larger than the tap size
b)
The same as the tap size
c)
Exactly .010 smaller than the tap size
d)
Smaller than the tap size
5.
What tool is used to hold the tap when tapping a hole by hand?
a)
Tap key
b)
Tap holder
c)
Tap wrench
d)
Tap chuck
6.
What should you use to determine the drill size for a certain tap?
a)
Drill chart
b)
Drill guide
c)
Tap guide
d)
Tap gauge
7.
When tapping a hole you must turn the tap backwards 1/2 - 2 turns to break the chips
a)
True
b)
False
8.
When tapping a hole by hand you should use a level to ensure the tap is cutting straight?
a)
True
b)
False
9.
There is no need to use cutting oil when tapping a hole?
a)
True
b)
False
10.
Which tap does the threads start at the beginning of the tap?
a)
Tapered tap
b)
Plug tap
c)
Bottoming tap
d)
Starting tap
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