【Daily Question】Utilities - Mechanical & Electrical - 20200405
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The total amount of change in the reference due to the positional changes of the actual elements is called (), and it indicates the area where the actual elements change; the size of this area is determined by the tolerance. The main ones include: parallelism ； Verticality ； Tilt, coaxiality ； Symmetry ； Position tolerance, etc. A. Measurement error B. Roughness error C. Shape error D. Position error Answer: D
The total amount of variation in the reference due to the position of the actual element is referred to as (D. Position Error); it indicates the area in which the actual element varies, and the size of this area is determined by the tolerance. The main ones include: parallelism ； Verticality ； Tilt, coaxiality ； Symmetry ； Position tolerance, etc.