Practice Control Charts (4.3) - Acceptability Criteria in Concrete Mix Design

Practice: Control Charts

Lesson 4.3Acceptability Criteria in Concrete Mix Design

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10 questions

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6 sample questions

Question 1.
What is a Control Chart?
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Think about how we track quality.
Question 2.
What do UCL and LCL stand for?
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What do these limits indicate in a chart?
3Question 3.
What does UCL stand for in control charts?
- Upper Control Limit
- Universal Control Limit
- Upper Control Line
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It's related to what's acceptable in standards.
4Question 4.
True or False: The LCL indicates the point below which we should not have data points in a control chart.
- True
- False
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What happens if we go below this limit?
Question 5.
Given a series of compressive strength measurements over a month, identify whether any points exceed the UCL or fall below the LCL, and discuss the potential implications.
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Look for patterns in the data to ascertain overall trends.
Question 6.
Create a control chart with fictional data showing a gradual downward trend in compressive strength over a testing period and suggest reasons for the trend.
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Consider external factors that might contribute to a downward trend.

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