The two engine chip detectors detect _______ metal particles within the oil system.

• A. Ferrous
• B. Plastic
• C. Dirt
• D. Molten

Answer: (A)

The two engine chip detectors are designed to identify metal particles that can indicate wear or failure within the engine's components. Ferrous metals, which are primarily composed of iron, are particularly significant because they can be produced from various engine parts, such as gears, bearings, and other mechanical components. The detection of ferrous particles is critical as it can signify abnormal wear or potential mechanical failures, prompting maintenance checks or repairs.

The use of chip detectors for ferrous materials enables the monitoring of engine health, as these particles can generate issues if they circulate within the oil system. The presence of these particles suggests that there is a problem that needs to be addressed before it develops into more severe damage. Other materials, like plastic or dirt, do not typically serve as indicators of engine wear in the same way ferrous metals do, and molten materials would imply a much more critical failure that would likely produce other obvious signs before being detected by chip sensors. Therefore, the focus on ferrous metals within the oil system is a reliable means of assessing engine condition and ensuring safety and performance.