Tap Drill Quiz
This is simple quiz to test your knowledge on Tap and Drill info. Good Luck!
Please be sure to try out the other quizzeslisted on the Brafasco. Com website.
- 1.
What does UNC stand for?
- A.
Unified National Coarse
- B.
United Natural Coarse
- C.
Unity Nature Culturist
- D.
United National Coarse
Correct Answer
A. Unified National Coarse -
- 2.
What is the preferred drill size for a 1/4-20 tapped hole?
- A.
13/64”
- B.
1/4”
- C.
1/5”
- D.
1/2”
Correct Answer
A. 13/64” -
- 3.
What does NPT stand for?
- A.
National Pipe Taper
- B.
National Pipe Thread
- C.
Natural Pipe Tester
- D.
Natural Pipe Thread
Correct Answer
A. National Pipe Taper -
- 4.
What drill bit would you use for a 5/8-11 Tap if you did not have a 35/64” drill?
- A.
17/32”
- B.
5/8”
- C.
2/3”
- D.
3/8”
Correct Answer
A. 17/32” -
- 5.
What does BSW stand for?
- A.
British Standard Whitworth
- B.
British Straight Winding
- C.
British Strong Whitworth
- D.
British Strong Winding
Correct Answer
A. British Standard Whitworth -
- 6.
How many different fine thread pitches are there for an M12 tap?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
C. 3 -
- 7.
What does BSF stand for?
- A.
British Standard Finish
- B.
British Standard Fine
- C.
British Strong Finish
- D.
British Strong Fine
Correct Answer
B. British Standard Fine -
- 8.
What is the decimal equivalent to 9/64?
- A.
0.1406
- B.
0.9644
- C.
0.01406
- D.
0.09644
Correct Answer
A. 0.1406 -
- 9.
Which is smaller…17/64 or 5/8?
- A.
17/64
- B.
Use 5/8
Correct Answer
A. 17/64 -
- 10.
3/8-18 is which type of thread?
- A.
UNF
- B.
NPT
- C.
NPTF
- D.
UNC
Correct Answer
B. NPT -
- 11.
Which of the following are types of taps?
- A.
Spiral
- B.
Bottoming
- C.
Centering
- D.
Both a and b
Correct Answer
D. Both a and b -
- 12.
Metric thread is determined by which?
- A.
Threads per inch
- B.
Length - diameter
- C.
Mm between each thread
- D.
Threads per mm
Correct Answer
C. Mm between each thread -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Mar 18, 2022Quiz Edited by
ProProfs Editorial Team -
Dec 17, 2009Quiz Created by
Hdsupplyca
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