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Which of the following is a property of aluminium?(a) Hard material(b) Brittle(c) Noise control(d) MagneticI had been asked this question in my homework.My doubt stems from Properties and Uses of Aluminium topic in portion Materials for Construction of Basic Civil Engineering

Answer»

The correct choice is (c) Noise control

For explanation: Aluminium is an excellent REFLECTOR of electromagnetic and sound waves.Therefore, it is less affected by EXTERNAL noise compared to other BUILDING MATERIALS.



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