A 5/16-in bolt with national coarse threads will have:
A) 16 threads per inch. B) 18 threads per inch.
C) 24 threads per inch. D) 20 threads per inch.
B
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Corrosion may show up in which form?
a. pitting b. rusting c. slabbing d. all of the above
In a fiber optic system, if the angle of incidence is greater than the critical angle
A) absorption occurs B) scattering increases C) scattering decreases D) total reflection occurs
The correct definition of offset measurements is:
A. measurements used to locate one feature in relationship to another B. measurements taken from a multiview drawing C. measurements used to center an object D. measurements used to draw irregularly shaped objects
Control circuits, relay or PLC, should have ____ to identify logic and actuator status.
a. visual indicators b. analog meters c. ohmmeters d. user manuals