Question

Which option should the engineers focus on as they develop the train in the following scenario?

Richmond, Virginia, has recently approved the construction of a metro system throughout part of the city. As engineers study other
metro lines, they notice that there is an extreme amount of energy lost as the trains start and stop.
Engineers can design a train with additional valves to increase energy.
O Engineers can design a train with additional fluid pumps to increase efficiency
Engineers can design a train with a regenerative braking system.
Engineers can design a train involving larger hydraulic power systems.
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Answer 1

Engineers can design a train with a regenerative braking system

Step-by-step explanation:

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Answer 2

Engineers can design a train with a regenerative braking system

Step-by-step explanation:

Assuming the point of the question is that the engineers want to focus on using energy efficiently when starting and stopping, they would likely want to consider a regenerative braking system. Such a system can store energy during braking so that it can be used during starting, reducing the amount of energy that must be supplied by an outside power source.