In GD&T, ____________________ of a surface specifies a 3-D tolerance zone defined by two contoured surfaces. When a datum reference is not specified, the tolerance controls only the shape of the contour. When datums are specified, the tolerance controls the shape of the contour as well as the size and/or location of the contour.
Fill in the blank(s) with the appropriate word(s).
profile
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?What is the primary ionizing source used for radiation processing?
A. ?strontium-90 B. ?cesium-137 C. ?electron beam accelerators D. ?burnt uranium slugs from fission reactor waste
A) several locations on the site and from several depths below ground.
A) because the delay in bringing soil samples to the laboratory falsifies test results. B) because the vibration of soil samples caused by transportation falsifies test results. C) because modern soil sampling equipment is fully equipped with soil testing facility. D) all of the above. E) none of the above.
Which of the following statements about metal raceways and enclosures for service conductors is true?
A. To be considered grounded, the metal raceway must be connected directly to a grounding electrode. B. Metal raceways for service conductors are considered grounded if they are connected to a service enclosure that is grounded. C. The metal pulling elbows in a run of underground nonmetallic conduit are required to be grounded irrespective of burial depth. D. The metal pulling elbows in a run of underground nonmetallic conduit are required to be grounded only if they are within 12 in. (304 mm) of the surface.
This is provided to clarify small areas such as the intersection of the floor system to a wall:
A. detail section B. full section C. longitudinal section D. partial section E. traverse section