Practice Objective (1.1) - Compressive Strength Test - Civil Engineering Materials, Testing & Evaluation - Vol 1

Practice: Objective

Lesson 1.1Compressive Strength Test

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8 questions

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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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6 sample questions

Question 1.
What is the primary goal of the compressive strength test?
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Think about what we are measuring in terms of load.
Question 2.
What standard codes are used for the compressive strength test?
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Consider standards that relate to testing concrete.
3Question 3.
What is the primary purpose of the compressive strength test in concrete?
- To determine the load at which concrete fails
- To measure tensile strength
- To assess bond strength
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Focus on the type of load related to concrete.
4Question 4.
True or False: Proper curing is not essential for accurate compressive strength test results.
- True
- False
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Remember the importance of moisture in concrete hydration.
Question 5.
If a concrete cube is designed for a compressive strength of 25 MPa and fails under a load of 500 kN, how should adjustments to the mix be considered?
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Consider how adjusting moisture levels may influence strength.
Question 6.
Given that the average strength of three concrete specimens is 30 MPa, discuss whether the batch meets quality standards when the minimum requirement is 28 MPa.
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Think about the importance of individual test results versus average values.

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