A locomotive exerts a tractive effort of 35,300 N in hauling a train at 48kmph on the level track. If the motor is to haul the sametrain on a gradient of 1 in 50 and thetractive effort required is 55,180N, determine the power delivered by the locomotiveif it is driven by (i) dc series motors (ii) induction motors.

A

635.7kW

B

735.7kW

C

725.6kW

D

76.6kW