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Design and Technology
Key terms
Lower limit

GCSE Design and Technology · key term

Lower limit

Definition

The smallest measurement or value permitted by a tolerance.

Used by AQA

How each exam board covers it

AQA GCSE Design and Technology · 8552

Paper 1

Revise: Working with tolerances

AQA Design and Technology past papers

Exam tips

1
For a ± tolerance, subtract the stated variation for the lower limit and add it for the upper limit. Include the unit in both answers.

Related key terms

Allowance
Nominal size
Quality control
Seam allowance
Tolerance
Upper limit

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