ASME Y14.5-2018 practice
GD&T practice questions
156 questions written from scratch across 14 topics. Every numeric answer key is recomputed from the stated inputs by the same calculation core the workspace uses, so the arithmetic in an explanation is the arithmetic the tool performs. Progress stays in this browser.
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Mastery by topic
Counted from every answer you have checked, and stored in this browser only. A topic with few attempts is held below its raw accuracy on purpose, because one lucky answer is not mastery.
| Topic | Attempted | Correct | Mastery |
|---|---|---|---|
| Position at RFS | 0 | 0 | 0 percent |
| Position at MMC and bonus tolerance | 0 | 0 | 0 percent |
| Least material condition | 0 | 0 | 0 percent |
| Virtual and resultant condition | 0 | 0 | 0 percent |
| Datum shift | 0 | 0 | 0 percent |
| Reading a feature control frame | 0 | 0 | 0 percent |
| Datums and precedence | 0 | 0 | 0 percent |
| Size limits and Rule #1 | 0 | 0 | 0 percent |
| Profile | 0 | 0 | 0 percent |
| Runout | 0 | 0 | 0 percent |
| Orientation | 0 | 0 | 0 percent |
| Form | 0 | 0 | 0 percent |
| Composite position | 0 | 0 | 0 percent |
| Inspection and gaging | 0 | 0 | 0 percent |
Mistakes notebook
Nothing here yet. Every question you answer wrongly is kept until you answer it correctly.
What each topic covers
| Topic | Questions | What it covers | Guide |
|---|---|---|---|
| Position at RFS | 12 | Turn coordinate deviations into a diametral position value. | Read the guide |
| Position at MMC and bonus tolerance | 14 | Earn and bound the bonus the maximum material condition modifier grants. | Read the guide |
| Least material condition | 10 | Protect wall thickness and minimum material with the least material condition. | Read the guide |
| Virtual and resultant condition | 12 | Find the constant worst case boundary, and know when there is none. | Read the guide |
| Datum shift | 10 | Separate movement of the datum reference frame from tolerance on the feature. | Read the guide |
| Reading a feature control frame | 14 | Read every compartment of a frame in the right order. | Read the guide |
| Datums and precedence | 12 | Order datum features and count the degrees of freedom they constrain. | Read the guide |
| Size limits and Rule #1 | 12 | Apply the envelope requirement and the limits of size. | Read the guide |
| Profile | 12 | Control a surface against its true profile with one characteristic. | Read the guide |
| Runout | 10 | Read an indicator against a rotating part and know circular from total. | Read the guide |
| Orientation | 10 | Hold a feature square, parallel, or at a basic angle to a datum. | Read the guide |
| Form | 10 | Control a feature against itself with no datum reference. | Read the guide |
| Composite position | 8 | Split pattern location from feature to feature relationship. | Read the guide |
| Inspection and gaging | 10 | Move from a drawing requirement to a measurement that answers it. | Read the guide |