Problem 30 (4pts) The box with the enclosed symbol \"E\" attached to the feature

Question

Problem 30 (4pts) The box with the enclosed symbol "E" attached to the feature control frame indicates a) that feature E is shown in an auxiliary view b) that the feature controlled by the tolerance is datum feature E, and that the c) that the feature controlled by the tolerance is datum feature E, and that the d) that E is the primary datum that must be established in order to define the e) none of the above corresponding datum is the axis of the cylindrical surface corresponding datum is plane orthogonal to the axis of the cylindrical surface tolerance zone identified within the feature control frame

Explanation / Answer

The correct option is 'd'.

This is because E in the feature control frame stands for Envelope requirement and according to envelope rule any shaft must be able to accurately fit inside a hole that is the same length as the shaft width itself

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