8. A note in the comment section of a title block mentions that all faces should have a +.10 tolerance before heat treatment. The machinist follows the instructions but for diameters he leaves a tolerance of +.20. Why? A. The machinist may have committed an error, and the part must be returned prior to heat treatment. O B. Diameter dimensions usually change by twice as much as the faces. O C. The tolerances for diameters aren't as critical as face tolerances. OD. It's easier for the machinist to adopt MMC for diameters.

8. A note in the comment section of a title block mentions that all faces should have a +.10 tolerance before heat treatment. The machinist follows the instructions but for diameters he leaves a tolerance of +.20. Why? A. The machinist may have committed an error, and the part must be returned prior to heat treatment. O B. Diameter dimensions usually change by twice as much as the faces. O C. The tolerances for diameters aren't as critical as face tolerances. OD. It's easier for the machinist to adopt MMC for diameters.

Precision Machining Technology (MindTap Course List)

2nd Edition

ISBN:9781285444543

Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Chapter3: Job Planning, Benchwork, And Layout

Section3.1: Understanding Drawings

Problem 10RQ: List and briefly describe the three types of tolerances used on prints.

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