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The classification of fibers having thin crystals is known as _______

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The classification of fibers having thin crystals is known as _______

(a) Whisker

(b) Fiber

(c) Wires

(d) Matrix

The question was asked by my school principal while I was bunking the class.

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

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The correct choice is (a) Whisker

Easiest explanation: Whiskers are thin single crystals having an extremely large length-to-diameter ratio. Due to their small size, they have high crystalline perfection. Fibers are polycrystalline materials of small diameters, whereas wires have large diameters.

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