Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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What is the inside diameter of a cylindrical oil cup mentioned in the text?

2 inches
4 inches
6 inches
8 inches

The correct answer is: 4 inches

The inside diameter of a cylindrical oil cup is crucial as it determines the volume of oil the cup can hold and its compatibility with various equipment or machinery. The selection of 4 inches is valid because it suggests an optimal size for typical applications, balancing capacity with practicality. A diameter of 4 inches allows for efficient storage and dispensing of oil in many scenarios without being excessively large, which could complicate handling or installation. In the context of evaluating sizes, a smaller diameter, like 2 inches, might be insufficient for certain tasks requiring more oil, and larger diameters, such as 6 or 8 inches, could pose challenges related to space and weight. Thus, a 4-inch inside diameter fits well within typical operational parameters for an oil cup in various industrial applications.