Which driveshaft can be longer without the need for a center support bearing?

Name: Which driveshaft can be longer without the need for a center support bearing?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Aluminum driveshafts can be longer than steel ones without requiring a center support bearing because aluminum is lighter than steel, which reduces the driveshaft's weight and the bending moment, allowing for a longer span without the need for additional support.

Which Driveshaft Can Be Longer Without the Need for a Center