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Concrete (cement matrix + aggregate stones) is an example of which composite category?

ALaminar composite
BCermet
CFiber-reinforced composite
DParticulate composite
Answer & Solution
Correct answer: D. Particulate composite
Particles (aggregate stones, sand grains) embedded in a matrix (cement paste) make concrete a PARTICULATE composite. Reinforced concrete adds steel rebar (fiber phase) — making it a hybrid.
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