A _____ locks into a post when in the down position and disallows vehicles from driving around it at a crossing.
Fill in the blank(s) with the appropriate word(s).
barrier gate
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Technician A says that helical-cut spur gear sets have increased tooth contact and less clattering of gear teeth. Technician B says that hypoid gears have double helical-cut gear teeth extending away from each other in opposite directions from the tooth centerline. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
On a digital waveform, the transition time from a LOW level to a HIGH level is called ________
A) fall time B) pulse width C) rise time D) period
Solve and reduce all answers to lowest terms: 3/4 + 1/4 + 1/2 + 3/4 =
What will be an ideal response?
The tool used to create internal threads is called a ____________________.
Fill in the blank(s) with the appropriate word(s).