Practice Durability Classification And Exposure Conditions (5)

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8 questions

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4 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.
What is the water-cement ratio for moderate exposure conditions?
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Look for the minimum requirements in the classification.
Question 2.
Which grade is specified for a mild environment?
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Refer back to the grading classifications.
3Question 3.
What is the minimum grade of concrete for moderate exposure conditions?
- M20
- M25
- M30
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Check the exposure conditions classification.
4Question 4.
True or False: A higher water-cement ratio improves the durability of concrete.
- True
- False
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Think about how water affects concrete structure.
Question 5.
A new recreational facility is being planned at a coastal location. Describe the durability requirements for the concrete mix considering the severe exposure conditions.
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Think about marine influences on concrete.
Question 6.
Analyze the potential consequences of using M20 concrete for an outdoor structure in a moderate exposure condition.
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Consider the impact of durability restrictions.

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