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The lathe accessory used to give extra support to long and slender job:

  • A.Dead centre
  • B.Lathe Dog
  • C.Steady rest
  • D.Lathe Carrier

Answer: C

The accessory that supports a long, slender job is the steady rest.

A long thin job held between centres or in a chuck sags and springs away from the tool. A steady rest, clamped to the bed, carries three adjustable jaws that bear on the job part-way along its length and stop it deflecting, so it can be turned, drilled or bored at the end.

A dead centre supports the job only at its end, in the tailstock. A lathe dog and a lathe carrier are the same device: a clamp that transmits the drive from the driving plate to the job; neither gives any support.

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