Question 1

Where a position tolerance is applied at RFS, what three conditions apply?

Accepted Answer

Where a position tolerance is applied at RFS:
1. The axis interpretation is used.
2. The axis of the unrelated actual mating envelope must be located within the tolerance zone.
3. The orientation is controlled relative to the primary datum referenced.

Question 2

In an RFS application, the position tolerance zone is a constant value, regardless of the size of the toleranced feature of size.

Accepted Answer

A) True 
 B)False  True

Question 3

A position tolerance applied to a feature of size affects its size.

Accepted Answer

A) True 
 B)False  False

Question 4

List the six important advantages of using position tolerance in comparison to coordinate tolerance.

Accepted Answer

In comparison to coordinate tolerancing,

Question 5

What are the four requirements to correctly specify a position tolerance?

Accepted Answer

There are four requirements to correctly

Question 6

Where a position tolerance applies at ____________________, the axis/center plane interpretation is used.

Accepted Answer

The answer of Where a position tolerance applies at ____________________,...

Question 7

____________________ position is the theoretically exact location of a feature of size as established by basic dimensions.

Accepted Answer

A) True 
 B)False

Question 8

Where a position tolerance applies at RFS, it is interpreted as a boundary tolerance zone.

Accepted Answer

A) True 
 B)False

Question 9

____________________ is the default condition for the tolerance value and size datums referenced at RFS.

Accepted Answer

The answer of ____________________ is the default condition for the...

Question 10

What are the two common tolerance zones shapes for a position tolerance?

Accepted Answer

There are two common tolerance

Question 11

Where a position tolerance is specified at ____________________, the tolerance zone is a virtual condition boundary located at the true position of a feature of size which the surface(s) of the feature of size must not violate.

Accepted Answer

The answer of Where a position tolerance is specified at...

Question 12

Basic dimensions are required to locate and orient the feature(s) of size relative to the datum features referenced in the feature control frame.

Accepted Answer

A) True 
 B)False

Question 13

Position tolerances are commonly used to control four types of part relationships. Name them.

Accepted Answer

Position tolerances are commonly used to

Question 14

Where a position tolerance is specified at RFS and applied to a(n) ____________________, the center plane interpretation applies.

Accepted Answer

The answer of Where a position tolerance is specified at...

Question 15

A position tolerance is always applied to a feature of size or pattern of features of size.

Accepted Answer

A) True 
 B)False

Exam 20: Position Tolerance - Introduction

Where a position tolerance is applied at RFS, what three conditions apply?

In an RFS application, the position tolerance zone is a constant value, regardless of the size of the toleranced feature of size.

A position tolerance applied to a feature of size affects its size.

List the six important advantages of using position tolerance in comparison to coordinate tolerance.

What are the four requirements to correctly specify a position tolerance?

Where a position tolerance applies at ____________________, the axis/center plane interpretation is used.

____________________ position is the theoretically exact location of a feature of size as established by basic dimensions.

Where a position tolerance applies at RFS, it is interpreted as a boundary tolerance zone.

____________________ is the default condition for the tolerance value and size datums referenced at RFS.

What are the two common tolerance zones shapes for a position tolerance?

Where a position tolerance is specified at ____________________, the tolerance zone is a virtual condition boundary located at the true position of a feature of size which the surface(s) of the feature of size must not violate.

Basic dimensions are required to locate and orient the feature(s) of size relative to the datum features referenced in the feature control frame.

Position tolerances are commonly used to control four types of part relationships. Name them.

Where a position tolerance is specified at RFS and applied to a(n) ____________________, the center plane interpretation applies.

A position tolerance is always applied to a feature of size or pattern of features of size.

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 Rules

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 - 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

Filters