Technician A says that a driveshaft with U-joints speeds up and slows down twice per full rotation.Technician B says that minimize torsional vibrations,U-joint working angles should be set as high as possible.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

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Sinner podcast · Accepted Answer

Final Answer : A, Explanation :  Technician A is correct because a driveshaft with U-joints does indeed speed up and slow down twice per full rotation due to the varying angular velocity caused by the U-joint's design. Technician B is incorrect because to minimize torsional vibrations, U-joint working angles should be kept as low as possible, not as high as possible, to ensure smoother operation.

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Technician A says that a driveshaft with U-joints speeds up and slows down twice per full rotation.Technician B says that minimize torsional vibrations,U-joint working angles should be set as high as possible.Who is correct?A) Technician A onlyB) Technician B onlyC) Both A and BD) Neither A nor B

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