Exam 7: GDT Rules

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A(n) ____________________ basic dimension applies where axes, center planes, or surfaces are shown coincident on a drawing, and geometric tolerances establish the relationship among the features or features of size.

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Question 1

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What are the two components of Rule #1?

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Question 2

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There are two components to Rule #1: the envelope principle and the allowable variations of form as the size departs from MMC.

State the four Rule #1 requirements.

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Question 3

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Rule #1 requirements:
1. The surface or surfaces of a regular feature of size shall not extend beyond a boundary of perfect form at MMC.
2. Where a regular feature of size is produced at MMC, it must have perfect form.
3. Where the actual local sizes of a regular feature of size are different than the MMC, a local variation in form equal to the amount of departure from MMC is allowed.
4. Rule #1 only applies to individual regular features of size.

Rule #1 is referred to as the "____________________."

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Question 4

Where processing information is shown on a drawing, it should be labeled mandatory.

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Question 5

Unless otherwise specified, where a coordinate system is shown on a drawing, it shall be right-handed.

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Question 6

What are the three ways Rule #1 can be overridden?

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Question 7

There are ____________________ fundamental dimensioning rules.

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Question 8

The fundamental dimensioning rules are a set of general rules that apply to dimensioning and interpreting engineering drawings.

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Question 9

A(n) ____________________ is a device of defined geometric form and size used to assess the conformance of a feature(s) of a workpiece to a dimensional specification. It does not return a size value, but instead returns an "accept or reject" indication for a dimension.

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Question 10

Unless otherwise specified, all tolerances apply in a free-state condition, except for non-rigid parts defined with a restraint note.

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Question 11

Where the ____________________ symbol is applied to the size dimension of a regular feature of size, the characteristics of size and form are independent, so Rule #1 does not apply.

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Question 12

In Rule #1, what do the words "perfect form" mean?

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Question 13

What are the two exceptions to Rule #1?

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Question 14

Where Rule #1 applies to an internal regular feature of size, the minimum boundary (or envelope) of the regular feature of size is equal to its largest size limit (MMC).

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Question 15

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Exam 7: GDT Rules

A(n) ____________________ basic dimension applies where axes, center planes, or surfaces are shown coincident on a drawing, and geometric tolerances establish the relationship among the features or features of size.

What are the two components of Rule #1?

State the four Rule #1 requirements.

Rule #1 is referred to as the "____________________."

Where processing information is shown on a drawing, it should be labeled mandatory.

Unless otherwise specified, where a coordinate system is shown on a drawing, it shall be right-handed.

What are the three ways Rule #1 can be overridden?

There are ____________________ fundamental dimensioning rules.

The fundamental dimensioning rules are a set of general rules that apply to dimensioning and interpreting engineering drawings.

A(n) ____________________ is a device of defined geometric form and size used to assess the conformance of a feature(s) of a workpiece to a dimensional specification. It does not return a size value, but instead returns an "accept or reject" indication for a dimension.

Unless otherwise specified, all tolerances apply in a free-state condition, except for non-rigid parts defined with a restraint note.

Where the ____________________ symbol is applied to the size dimension of a regular feature of size, the characteristics of size and form are independent, so Rule #1 does not apply.

In Rule #1, what do the words "perfect form" mean?

What are the two exceptions to Rule #1?

Where Rule #1 applies to an internal regular feature of size, the minimum boundary (or envelope) of the regular feature of size is equal to its largest size limit (MMC).

Drawing Standards

Dimensions, Tolerances, and Notes Used on Drawings

Coordinate Tolerancing and Geometric Dimensioning and Tolerancing GDT

General Dimensioning Symbols

Key GDT Terms

Symbols and Modifiers

GDT Concepts

Flatness Tolerance

Straightness Tolerance

Circularity Tolerance

Cylindricity Tolerance

The Datum System

Datum Targets

Size Datum Features Rmb

Size Datum Features Mmb

Perpendicularity Tolerance

Parallelism Tolerance

Angularity Tolerance

Position Tolerance - Introduction

Position Tolerance - RFS and MMC

Position Tolerance - Special Applications

Position Tolerance Calculations

Circular and Total Runout Tolerances

Concentricity and Symmetry Tolerances

Profile Tolerance - Basic Concepts

Profile Tolerance Applications

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