Final answer:
The maximum number of gallons that can register on the resettable meter of the Kovatch-International R-11 Refueler depends on the meter's capacity.
Step-by-step explanation:
The maximum number of United States (US) gallons that can register on the resettable meter of the Kovatch-International R-11 Refueler depends on the capacity of the meter. Without specific information about the capacity, we cannot determine the exact maximum number of gallons.