Final answer:
The tank fill rate when receiving ground fuel with the C-300/C-301 Ground-Servicing Unit should not exceed the designed maximum fill rate specified by the manufacturer.
Step-by-step explanation:
The tank fill rate when receiving ground fuel with the C-300/C-301 Ground-Servicing Unit should not exceed the designed maximum fill rate specified by the manufacturer. The specific maximum fill rate will depend on the capacity and design of the unit being used. It is important to follow the manufacturer's guidelines to prevent overfilling or potential safety hazards.