Calculate the torque required to rotate the inner shaft

Reference no: EM13314957

a 4ft-long, 1-in-diameter shaft rotates inside an equally long cylinder that is 1.02 in. in diameter. Calculate the torque required to rotate the inner shaft at 2000 rpm if SAE-30 oil at 70 degrees F fills the gap. Also, calculate the horsepower required. Assume concentric cylinders.

Reference no: EM13314957

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