A pipe, or Stillson wrench functions best when __________.
Official USCG Answer & Rule Citation
Correct Answer: Option B — the bite is taken midway up the jaw teeth
Stillson wrenches utilize a spring-loaded jaw design that relies on a camming action. Positioning the pipe midway along the jaw teeth ensures optimal contact and leverage, preventing the teeth from slipping or crushing the pipe wall, which is critical for maintaining structural integrity in shipboard piping systems.
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