8/14/2019 Study Guide for Screw Thread Jeopardy 1.

1/3

Study Guide for Screw thread Jeopardy

1. Is used to drill and tap holes on Solidworks. What is the Hole

Wizard?

2. Machine Tool used for cutting External Threads. What is a tap?

3. Used to make a Hole in the material before tapping. What is a Tap

Drill

4. The person who uses taps and dies at his/her job to create screw

threads. Who is a machinist?

5. In the thread note 3/8-24 UNF-2A, 3/8 represents. What is the Major

Dia?

6. In the thread note 3/8-24 UNF-2A, 24 represents. What are the

threads per inch?

7. In the thread note 3/8-24 UNF-2A, 2 represents. What is the class of

fit?

8. In the thread note 3/8-24 UNF-2A, UNF represents. What is Unified

National Fine?

9. In the thread note 3/8-24 UNF-2A, A represents. What is an external

thread?

10.Dia. Is the abbreviation for. What is diameter?

11.Measured from crest to crest on external threads and from root to

root on internal threads. What is the major diameter?

12.This diameter is measured from root to root on an external thread.

What is the minor diameter?

13.This diameter is measured from a point halfway between the major

and minor diameter through the axis to a corresponding point on the

opposite side. What is the pitch diameter?

14.The distance across a circle. What is the diameter?

15.The portion of a screw thread that is left unthreaded. What is the

body?

16.The top of external threads. What is the crest?

17.The bottom of external threads. What is the root?

8/14/2019 Study Guide for Screw Thread Jeopardy 1.

2/3

18.The lateral distance a thread travels during one complete revolution.

What is the lead?

19.The centerline of the cylindrical thread shape. What is the axis?

20.The angle between the flanks. What is the included angle?

21.The distance between the crest and the root. What is depth of

thread?

22.ISO stands for. What is the International Standards Organization?

23.ANSI stands for. What is the American National Standards Institute?

24.To determine how many revolutions are required to create your helix

on Solidworks, you multiply the threads per inch by. What is the

length of thread?

25.A thread that engages with a mating thread by rotating clockwise.

What is a right-hand thread?

26.A thread that engages with a mating thread by rotating counter-

clockwise. What is a left-hand thread?

27.Angular relief at the last thread to help allow the thread to more

easily engage with a mating part. What is a chamfer?

28.The distance measured parallel to the axis from a point on one

thread to the corresponding point on the adjacent thread. What is

the pitch?

29.Creates the path for the thread. What is a helix?

30.

31.

32.

33.

34.

35.

36.

37.

38.

8/14/2019 Study Guide for Screw Thread Jeopardy 1.

3/3

39.

40.

41.