What type of main reduction gear arrangement...

Question 1 of 270705eccef9fbacbc34ba4d46b2c

What type of main reduction gear arrangement prevents independent axial and rotational movement of the pinions?

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Question 1 of 27070

Q

What type of main reduction gear arrangement prevents independent axial and rotational movement of the pinions?

🔍 Key Concepts

• Main reduction gear arrangements in marine propulsion systems • Difference between locked and unlocked gear trains • How pinion movement (axial and rotational) affects gear alignment and load sharing

💭 Think About

• Which type of gear train is designed so that all pinions and gears act together as one rigid unit rather than moving independently? • If axial and rotational movement are prevented, what does that suggest about how the pinions are connected or constrained within the gear system? • Among the choices, which terms describe a mechanical connection or constraint, and which sound more like support or mounting systems?

✅ Before You Answer

• Match the term that implies no independent motion between parts in the train (think: mechanically tied together). • Eliminate options that mainly describe support/suspension methods rather than how the gears share motion and load. • Focus on which arrangement is known for fixed relationship between pinions and gears, improving load sharing and alignment.