Explain error in measurement ? Also explain is tape?
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Explanation:
Measurement Error (also called Observational Error) is the difference between a measured quantity and its true value.
NS means special thread. Pitch Diameter is the basic dimension of a screw, threaded hole, or a tap the diameter of an imaginary cylinder, the surface of which passes through the thread where width of thread and space between threads are identical. This cylinder, of course, would be a cone for tapered taps.
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