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When lines intersect on a drawing at angles of this many degrees, it is customary not to dimension the angle:

360
180
90
45

Correct Answer: 90

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More Questions from Tolerancing

Unilateral tolerances have traditionally been given on angles.
Allowance is the maximum clearance or minimum interference specified to achieve a fit between two mating parts.
Implied 90 degree angles typically have different general tolerances applied to them than other angles covered by a general note.
Nominal size is used for general identification and is usually expressed in decimals.
Tolerances of form and position are typically not used to control straightness.
Defining the datum reference frame is necessary to apply GDT principles.
Datum surfaces and features are used as references to control other features.
Geometric dimensioning and tolerancing can simplify the inspection process.
Specific tolerances are based on the part's function and fit.
Tolerance is the total amount a specific dimension is permitted to vary.

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