Question 62Gas Turbine - 1st Asst/Chief
70% to passWhat type of main reduction gear arrangement prevents independent axial and rotational movement of the pinions?
ALocked train
BHydraulic suspension
CUnlocked train
DIndependent suspension
AI Explanation
The correct answer is A) Locked train. In a locked train main reduction gear arrangement, the pinions are locked together, preventing independent axial and rotational movement. This design ensures the pinions maintain a fixed relationship to each other, providing a more stable and reliable power transmission system. The other options are incorrect because: B) Hydraulic suspension does not prevent independent axial and rotational movement of the pinions. C) Unlocked train allows independent axial and rotational movement of the pinions. D) Independent suspension also allows independent axial and rotational movement of the pinions.
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