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Extraction of Aluminium

Spacecrafts r...

Question

Spacecrafts returning from their voyage in outer space enter the earth's atmosphere with great speed, which makes them burning hot. Which metal is used as a shield to withstand these high temperatures?

A

Lead

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B

Titanium

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C

Iron

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D

Nickel

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Solution

The correct option is D Titanium
titanium alloys are used in spacecraft to shield them against high temperature due to its property to withstand those high temperatures without creeping.

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