The gear drive, shown in the illustration, can have the backlash determined best by using a __________. Illustration MO-0091
Official USCG Answer & Rule Citation
Correct Answer: Option C — feeler gauge
Precision feeler gauges inserted directly between meshing gear teeth provide the most accurate physical measurement of gear backlash during machinery overhaul and alignment checks.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.