Which of the following statements describes...

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Question 1 of 205eccefa3bacbc34ba4d47d28

Which of the following statements describes the function of the unit shown in the illustration as found on some medium speed diesel engines? See illustration MO-0125.

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Question 1 of 20

5eccefa3bacbc34ba4d47d28

Which of the following statements describes the function of the unit shown in the illustration as found on some medium speed diesel engines? See illustration MO-0125.

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🔍 Key Concepts

• Camshaft reversing / shifting mechanisms on medium-speed diesel engines • Role of hydraulic or pneumatic actuators connected by a yoke or wye to both camshafts • Difference between devices that lock/stop rotation vs. devices that change cam position or timing

💭 Think About

• Look closely at how the wye arms connect to the components labeled near the camshaft ends—do they appear to lock motion, or to rotate/shift something to a new position? • Examine the cylinders on top: do they look like oil/air actuators for linear motion, or like lubrication reservoirs? What engine function commonly uses this type of actuator? • Ask yourself which listed functions (braking, lubrication, intake dampers, cam direction control) would logically need to move both sides of the engine together through that central yoke.

✅ Before You Answer

• Verify whether the unit interfaces directly with the camshaft ends or with intake ports or cylinder walls. • Check if there is any visible brake shoe, spline, or friction surface that would physically prevent shaft rotation. • Consider which function would require synchronized movement of multiple cams/camshafts when changing engine operating condition (such as direction of rotation).

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Question 1 of 205eccefa3bacbc34ba4d47d28

Which of the following statements describes the function of the unit shown in the illustration as found on some medium speed diesel engines? See illustration MO-0125.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47d28

Which of the following statements describes the function of the unit shown in the illustration as found on some medium speed diesel engines? See illustration MO-0125.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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