Limits & fits: unilateral system of tolerance — where is the tolerance placed? Interpret the definition of unilateral tolerance relative to the nominal size. Choose the correct option.
Mechanical Engineering
Machine Design
Difficulty: Easy
Choose an option
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AOn one side of the actual size
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BOn one side of the nominal size
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COn both sides of the actual size
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DOn both sides of the nominal size
Answer
Correct Answer: On one side of the nominal size
Explanation
ConceptIn a unilateral tolerance system, all permissible variation lies on one side of the nominal (basic) size (e.g., +0 / −0.010 or +0.010 / −0).
Final AnswerOn one side of the nominal size