Who is correct regarding airflow impacts in the air system: Technician A states that too many bends in the piping can restrict airflow, while Technician B says leaks allow dirt into the engine?

Both Technician A and Technician B provide valid statements regarding airflow impacts in an air system.

Technician A is correct in observing that too many bends in the piping can indeed restrict airflow. When air flows through a system with numerous bends or curves, the airflow can be disturbed, leading to turbulence that makes it more difficult for air to move freely. This restriction can reduce the efficiency of the system, impacting performance and potentially causing increased strain on the engine.

Technician B correctly points out that leaks in the air system can allow dirt and contaminants to enter the engine. If there's a breach in the air intake system, unfiltered air can bypass the air filter, bringing dirt and debris into the engine. This can lead to increased wear and tear, diminish engine efficiency, and even cause significant damage over time.

Understanding that both airflow restrictions due to bends and the impact of leaks on dirt ingress are crucial components allows diesel technicians to better maintain the air intake systems of diesel engines. This highlights the importance of proper design and maintenance in preventing airflow issues that can affect engine operation.