Theory of Machine
When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be

ω² r {n/(n + 1)}
ω² r {n/(n - 1)}
ω² r {(n - 1)/n}
ω² r {(n + 1)/n}

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Theory of Machine
The steering of a ship means

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

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