
The standardization of screw threads was achieved in ____ in 1949.
A) the United Kingdom
B) Canada
C) the United States
D) all of the above
E) none of the above
Correct Answer:
Verified
Q47: A spring is a mechanical device often
Q48: The incomplete threads are called runout.
Q49: Unground or rough ends are more expensive
Q50: Threads that resist vibrations and remain tight
Q51: Threads per inch is the number of
Q53: A self-clinching fastener is any device, usually
Q54: Threaded rod is an external thread machined
Q55: _ is the bottom of external and
Q56: Self-clinching nuts feature thread strengths less than
Q57: Through holes are preferred over blind holes.
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