In which type of gear train are the input and output shafts collinear?
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A.
Simple gear train
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B.
Reverted gear train
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C.
Epicyclic gear train
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D.
Compound gear train
Correct Answer:
B. Reverted gear train
Explanation:
A reverted gear train is a specific configuration of a compound gear train where the axes of the first gear (input shaft) and the last gear (output shaft) are coaxial, meaning they are positioned along the same straight line. This design is highly valued for its compactness and is frequently utilized in automotive transmissions and industrial machinery where space is limited but a precise alignment of input and output is required. While the intermediate gears may be offset on parallel shafts to achieve the necessary speed reduction or torque multiplication, the final output is returned to the original axis of rotation.
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