Agricultural Engineering Practice Exam

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What is the equivalent size of a 250 MCM cable?

126.67 mm2

To determine the equivalent size of a 250 MCM cable in square millimeters, it’s essential to understand the conversion from MCM (thousand circular mils) to square millimeters. One MCM is equivalent to about 0.5067 square millimeters.

For a 250 MCM cable, the conversion to square millimeters is calculated as follows:

250 MCM × 0.5067 mm²/MCM ≈ 126.675 mm².

Rounding this value gives approximately 126.67 mm², aligning with the correct choice. This conversion is critical in electrical engineering and agricultural engineering contexts, especially when working with wiring specifications for various agricultural equipment and environments. Accurate sizing ensures safety and efficiency in electrical applications, as well as compliance with standards and regulations.

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136.67 mm2

146.67 mm2

156.67 mm2

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