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Which of the following metal is utilized in trucks, automobile engines, aircraft, and missiles?

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in Corrosion Engineering by (98.5k points)
Which of the following metal is utilized in trucks, automobile engines, aircraft, and missiles?

(a) Stainless steel

(b) Carbon steels

(c) Magnesium

(d) Cast irons

The question was asked in an internship interview.

My query is from Materials topic in portion Materials of Corrosion Engineering

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Best answer
Correct choice is (c) Magnesium

To elaborate: Magnesium is one of the lightest commercial metal with specific gravity 1.74. It is utilized in trucks, automobile engines, aircraft, and missiles. Whereas metals such as stainless steel, carbon steels, and cast irons are regarded as heavy metals.

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