The ____ of a thread is its lowest point.
A. face
B. crest
C. root
D. pitch
Answer: C
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The centerline of a nozzle is to be place at 18 degrees from top dead center (TDC) on a tank with a measured circumference of 280??. How many inches from TDC is the centerline of the nozzle to be located?
What will be an ideal response?
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____ was an improvement of the carbon arc process.
A. Air carbon arc cutting B. Oxygen lance cutting C. Laser beam cutting D. Laser beam welding
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Which of the following steep-roof materials has the longest history of use?
A) Clay tile B) Asphalt shingle C) Wood shingle D) Concrete tile E) Slate roofs
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Which pencil grades are most commonly selected for initial drawing and writing?
a. 8H or 9H c. 4H or 5H b. 6H or 7H d. 2H or 3H
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