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Consider the following statements regarding composite materials:

1.   Material is termed as advanced composite, if fibres are directionally oriented and continuous

2.   Reinforced fibre glass products are strong and light weight

3.   Concrete is reinforced with steel rebar, the rebar becomes matrix

4.   Pearlitic steels are composite materials

Which of the above statements are correct?

(a) 1, 2 and 3 only          (b) 2, 3 and 4 only

(c) 1, 2 and 4 only          (d) 1, 2, 3 and 4

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