Practice Quality Assurance And Quality Control (qa/qc) (2) - Quality Control/Quality Assurance

Practice: Quality Assurance and Quality Control (QA/QC)

Lesson 2Quality Control/Quality Assurance

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8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define Quality Assurance.
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Think about the processes in place to ensure data reliability.
Question 2.
What is the main purpose of Quality Control?
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Consider how we check the results after they are produced.
3Question 3.
What does QA stand for in environmental analysis?
- Quality Assurance
- Quality Analysis
- Quality Assessment
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It is a systematic approach aiming for reliability.
4Question 4.
True or False: Precision refers to how close a measurement is to the true value.
- True
- False
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Remember the definitions of both terms.
Question 5.
A sample analysis showed a pollutant level of 50 mg/L, with a known standard of 40 mg/L and an error margin of ±25%. Calculate whether the pollutant level exceeds the acceptable limit.
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Use the error margin to calculate the range.
Question 6.
A legal case challenges the validity of environmental measurements taken by a consultant. Discuss how thorough documentation of QA/QC procedures could support the consultant's findings in court.
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Think about how lawyers use records as evidence to establish credibility.

4 more questions in this section. Enroll free to practise them all.