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The below figure is an example of ______ type of structural composites.

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The below  figure is an example of ______  type of structural composites.

(a) Laminar

(b) Sandwich panel

(c) Discontinuous

(d) Randomly oriented

This question was addressed to me during a job interview.

Query is from Fibre Reinforced Composites & Other Composites in section Composite & Ceramic Materials of Engineering Material & Metallurgy

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Correct option is (b) Sandwich panel

To explain: Sandwich panels are a type of structural composites having a low-density material covered by layers of high-density material on its faces. Aluminum alloys and fiber-reinforced plastics are commonly used as face materials which bear the load. Randomly oriented composite is a type of discontinuous composite, which itself is a type of fiber-reinforced composite.

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