Practice question

Worn hammer guides or a worn pile cushion left unaddressed during maintenance can lead to:

  1. More efficient, perfectly centered driving
  2. Misalignment, loss of energy transfer, and increased risk of pile or hammer damage
  3. Lower fuel consumption with no downside
  4. Automatic refusal detection

Answer: B — Misalignment, loss of energy transfer, and increased risk of pile or hammer damage

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: NCCCO Dedicated Pile Driver Practice Questions - NCCCO Dedicated Pile Driver Operator (DPD) Exam →