Question: A 2 m long, 4 cm diameter shaft rotates inside an equally long 4 . 0 2 diameter cylinder. If SAE - 1 0 W

A 2m long, 4cm diameter shaft rotates inside an equally long 4.02 diameter cylinder. If SAE-10W oil at 25 degrees celsius fills the gap between the concentric cylinders, determine the torque and horsepower needed to rotate the shaft at 1200rpm

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