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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q538 - Steam Plants II
241. The component shown in the illustration, labeled «IV», is the ________
The component labeled «IV» is the bull gear, which is the large, central gear driven by smaller pinions. This distinguishes it from pinions, which are smaller gears on input shafts, and from intermediate reduction gears. Therefore, the bull gear is the correct identification.
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