AMP - Aviation Maintenance Technician Powerplant Practice Exam

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Prepare for the Aviation Maintenance Technician Powerplant Exam with comprehensive flashcards and multiple choice questions. Equip yourself with detailed explanations and tips to succeed.

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Which type of bearings are generally used for connecting rods and cam shafts?

Plain
Roller
Ball
Magnetic

The correct answer is: Plain

Plain bearings are generally used for connecting rods and cam shafts because they provide a larger surface area for distributing the load, making them suitable for high speed and high load applications. Roller bearings are commonly used for wheels and heavy machinery, but they have a smaller contact area and may not be as suitable for the high loads and speeds of connecting rods and cam shafts. Ball bearings are typically used for lower loads and speeds and may not provide enough support for these critical engine components. Magnetic bearings are commonly used for highly precise and delicate machinery, but they are not typically used for connecting rods and cam shafts due to their high cost and complexity. Overall, plain bearings offer the best combination of load capacity and cost-effectiveness for these particular engine components.