Friday, April 4, 2014

Engineering Mechanics


Q1.      Why is measuring front-edge to front-edge more accurate than measuring centre distances?      [3 marks, 2 – 3 sentences]

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Q2.      Is it appropriate to use ± 5×10 –4 m (± 0.5mm) as the uncertainty in Step 11? Fully explain your answer.      [3 marks, 2 – 3 sentences]

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Q3.      Is the steel ball more likely to be a metric or imperial (specified using inches) component? Fully explain your answer.      [3 marks, 2 – 3 sentences]

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Q4.      Experiment 1A Conclusions       [7 marks, ½ page]

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Q5.      Experiment 1B Conclusions       [8 marks, ½ page]

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Q6.      Is it appropriate to use ± 5×10 –4 m (± 0.5mm) as the uncertainty? Fully explain your answer.      [3 marks, 2 – 3 sentences]

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Q7.      Experiment 2A Conclusions       [5 marks, ½ page]

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Q8.      Experiment 2B Conclusions      [5 marks, ½ page]

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