In the reversing reduction gear shown in the illustration, the forward and reverse main pinions are in constant mesh with the main gear. This means the __________. Illustration MO-0085
Official USCG Answer & Rule Citation
Correct Answer: Option C — idling gears rotate in a direction opposite to their rotation when carrying load
Constant-mesh reversing gear trains cause unengaged idling pinions to be driven backwards by the main gear relative to their operational direction when transmitting propulsive power.
Advertisement