The Mystery of Motor Failures: Exploring the Impact of Horsepower

Question:

What is the most common factor contributing to failure rates in 200 HP motors compared to 10 HP motors?

A. rotor bar failure. B. bearing failure. C. stator failures. D. contactor failure.

Answer:

The difference in failure rates between 200 HP and 10 HP motors can be attributed to bearing failure caused by higher loads and stresses.

Explanation:

The subject of this question is related to Engineering. Specifically, it relates to the study of motor failures in relation to their horsepower.

In this case, the statement suggests that failure is more common with 200 HP motors compared to 10 HP motors. Out of the given options, bearing failure is the most likely cause of this difference in failure rates between the two types of motors.

Higher horsepower motors tend to experience higher loads and stresses, which can result in increased wear and tear on components such as the bearings. This can eventually lead to bearing failure.

Understanding the impact of horsepower on motor failures is crucial in maintenance and troubleshooting to ensure optimal performance and reliability of machinery.

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