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We appreciate your visit to While discussing the rocker arm shafts Technician A states that the intake shaft has only one rifle drilled port along the length of the shaft. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!

While discussing the rocker arm shafts:

Technician A states that the intake shaft has only one rifle-drilled port along the length of the shaft.

Technician B states the exhaust shaft has three rifle-drilled ports: two for the exhaust brakes drilled from opposing directions and one for the rocker arm lubrication.

Who is correct?

A. Technician A only
B. Technician B only
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B

Answer :

Final answer:

Both Technician A and Technician B are correct in their statements about rocker arm shafts. The intake shaft has one rifle drilled port, while the exhaust shaft has three ports for braking and lubrication. Thus, the correct choice is that both technicians are accurate.


Explanation:

Rocker Arm Shafts: Understanding Technician Claims

In analyzing the statements made by Technician A and Technician B regarding the rocker arm shafts, we need to assess the accuracy of their statements.

Technician A's Statement

Technician A states that the intake shaft has only one rifle drilled port along its length. This assertion is correct; typically, the intake rocker arm shafts are designed with a single rifle drilled port to facilitate lubrication, which is adequate for their operation.

Technician B's Statement

On the other hand, Technician B claims that the exhaust shaft has three rifle drilled ports: two for the exhaust brakes drilled from opposing directions and one for rocker arm lubrication. This statement is also accurate because the exhaust rocker arm shafts often feature dual ports for facilitating effective exhaust braking and one additional port for the required lubrication of the rocker arms.

Conclusion

Given that both technicians provided correct statements, the final answer is:

  • Both Technician A and Technician B

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