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EnglandProduct Design and TechnologiesQuick questions

Mathematical and technical principles

Quick questions on Tolerances, fits and quality control - Edexcel A-Level Product Design

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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A part is 40.0±0.140.0 \pm 0.1 mm. State its upper limit, lower limit and tolerance band. [2 marks]
What is q2?
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Explain the difference between a clearance fit and an interference fit. [2 marks]
What is q3?
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State what a go and no-go gauge checks. [1 mark]

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