Oilers/Plant Tenders (HHC) Civil Service Exam 2026 – 400 Free Practice Questions to Pass the Exam

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What are "white metals" or Babbit metal primarily composed of?

Aluminum and Zinc

Lead and Tin

Tin and Copper

Babbit metal, commonly referred to as "white metals," is primarily composed of tin, often alloyed with smaller amounts of other metals to enhance its properties. The primary function of these alloys is to create a bearing surface that is both resilient and resistant to seizure when in contact with rotating equipment. Tin is a crucial component because it provides excellent bearing properties, including good wear resistance and the ability to handle high loads.

The other components that may be included can vary, but they typically consist of materials such as copper or antimony to provide additional strength and improve wear characteristics. The overall composition allows for the production of a metal that performs effectively in applications such as bearings, where durability and low friction are essential.

The significance of this knowledge lies in the applications of Babbit metal in machinery and manufacturing, particularly in contexts where high performance at lower temperatures is required. Understanding the makeup of these metals is beneficial for those involved in mechanical engineering and maintenance of machinery, as it influences design choices and maintenance practices.

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Copper and Nickel

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