Theory of Machine
The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)

¾μWR
μwr
²/₃ μWR
½μWR

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Theory of Machine
The steering of a ship means

None of these
Turning of a complete ship in a curve towards right or left, while it moves forward
Movement of a complete ship up and down in vertical plane about transverse axis
Rolling of a complete ship sideways

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