Questions

BK10A6101 Technical Documentation and 3D Modeling - Monimuoto-opetus 2.9.2024-20.4.2025 Individual Exercise 4

Multiple choice

Which of the following tolerances do not require a datum?

Options

A.A. Parallelism

B.B. Cylindricity

C.C. Flatness

D.D. Circularity

E.E. Position

F.F. Angularity

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Step-by-Step Analysis

To tackle this question, let's lay out which tolerances can stand alone without a datum reference and which typically rely on datums. Option A: Parallelism. This tolerance describes how parallel a feature is to a datum axis or plane and almost always uses a datum reference to define the direction relative to another feature. It requires at least one datum to establish the orientation constraint, so th......Login to view full explanation

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