Which materials are listed as corrosion-resistant materials such as brass, copper, Monel, or stainless steel?

Which materials are listed as corrosion-resistant materials such as brass, copper, Monel, or stainless steel?

• A. Nonmetallic Material
• B. Ferrous Metal
• C. Plastic
• D. Corrosion-Resistant Material

Answer: (D)

The main idea here is recognizing a category for metals chosen specifically for resisting corrosion. Brass, copper, Monel, and stainless steel are all known for their ability to withstand corrosive environments, thanks to their alloying elements and protective surface characteristics. Brass and copper form stable surface films that limit further corrosion; Monel resists many corrosive environments (including seawater and acids) due to its nickel-copper composition; stainless steel develops a chromium-rich oxide layer that protects the metal from rust and degradation. Because these examples share the common trait of corrosion resistance, they fit best under the corrosion-resistant material category. Nonmetallic material and plastic describe nonmetal substances, which aren’t in this set. Ferrous metal refers to iron-containing metals, which would exclude many of the listed alloys (like brass and copper) and would not consistently cover all the examples.

The main idea here is recognizing a category for metals chosen specifically for resisting corrosion. Brass, copper, Monel, and stainless steel are all known for their ability to withstand corrosive environments, thanks to their alloying elements and protective surface characteristics. Brass and copper form stable surface films that limit further corrosion; Monel resists many corrosive environments (including seawater and acids) due to its nickel-copper composition; stainless steel develops a chromium-rich oxide layer that protects the metal from rust and degradation. Because these examples share the common trait of corrosion resistance, they fit best under the corrosion-resistant material category.

Nonmetallic material and plastic describe nonmetal substances, which aren’t in this set. Ferrous metal refers to iron-containing metals, which would exclude many of the listed alloys (like brass and copper) and would not consistently cover all the examples.