Practice Experimental Investigation Techniques (8)

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6 sample questions

Question 1.
What type of specimens are typically used for creep testing?
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Think about standard shapes used in laboratory tests.
Question 2.
Explain the difference between sealed and unsealed specimens in shrinkage testing.
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Consider moisture movement for each type.
3Question 3.
What percentage of cube strength is used in creep tests?
- 10%
- 20%
- 30%
- 40%
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Consider the standard testing practices used for concrete.
4Question 4.
True or False: Unsealed specimens are used to measure autogenous shrinkage.
- True
- False
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Think about moisture presence in each specimen.
Question 5.
Propose a method for determining which testing method might yield more significant data for understanding long-term performance of a specific concrete structure.
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Think about how each method reflects real-world conditions.
Question 6.
Design a small experiment to measure the effects of humidity on concrete shrinkage. Outline the materials and procedure you would use.
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Consider how you will maintain consistent testing conditions.

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