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Q: Concrete is :
  • A. Good in compression, good in tension
  • B. Good in compression, weak in tension
  • C. Weak in Compression, weak in tension
  • D. Weak in compression, good in tension
Correct Answer: Option B - Concrete has relatively high compressive strength but much lower tensile strength. Concrete has a very low coefficient of thermal expansion and shrinks as it matures. Concrete is ten times stronger in compression than in tension.
B. Concrete has relatively high compressive strength but much lower tensile strength. Concrete has a very low coefficient of thermal expansion and shrinks as it matures. Concrete is ten times stronger in compression than in tension.

Explanations:

Concrete has relatively high compressive strength but much lower tensile strength. Concrete has a very low coefficient of thermal expansion and shrinks as it matures. Concrete is ten times stronger in compression than in tension.