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Materials and Construction

Materials and Construction
The purpose of nitriding the steel is to

None of these
Improve its reliability
Harden its surface
Soften its surface

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Materials and Construction
Which is an amorphous material?

Cast iron
Mica
Brass
Glass

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Materials and Construction
Which of the following is not a nickel based alloy?

Nimonics
Babbit metal
Hastelloys
Inconel

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Materials and Construction
Which of the following is the most prone to atmospheric corrosion?

Silver
Copper
Iron
Tin

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Materials and Construction
Which of the following heat treatment processes is used for softening the hardened material?

None of these
Tempering
Annealing
Normalising

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Materials and Construction
18/8 stainless steel means, that it contains

18% nickel and 8% chromium
18% chromium and 8% molybdenum
18% molybdenum and 8% chromium
18% chromium and 8% nickel

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