MARVEL - EVRE

Which factor primarily affects the lifespan of a lithium-ion battery in an electric vehicle?

• The number of charging stations available

• The number of charge-discharge cycles and temperature conditions

• The weight of the electric vehicle

• The type of tires used

What is the primary function of an inverter in an electric vehicle?

• Convert DC power from the battery to AC power for the motor

• Convert AC power from the grid to DC power for charging

• Store excess power generated by regenerative braking

• Increase battery voltage for higher efficiency

What is a major challenge in integrating electric vehicles with renewable energy sources?

• Renewable energy sources do not produce enough power

• The unpredictability of renewable energy generation

• Electric vehicles cannot store energy from renewables

• Solar panels and wind turbines are not compatible with EVs

Which factor has the greatest impact on determining whether EVs are more sustainable than internal combustion engine (ICE) vehicles?

• The availability of rare earth metals

• The energy source used to generate electricity for charging

• The number of charging stations in a city

• The cost of vehicle manufacturing

How can the power grid manage the increased demand from widespread EV adoption?

• By installing more fossil fuel power plants

• By encouraging EV charging during peak hours

• By implementing smart grid technology and demand response systems

• By limiting EV sales in high-demand areas

Which renewable energy source is most commonly integrated with EV charging stations to promote sustainability?

• Geothermal energy

• Biomass energy

•  Solar energy

• Nuclear energy

What is the main advantage of using regenerative braking in electric vehicles?

• It increases the vehicle’s top speed

• It converts kinetic energy into electrical energy to recharge the battery

• It improves aerodynamics

•  It reduces the weight of the vehicle

Which of the following challenges is most significant for the widespread adoption of EVs?

• Excessive noise pollution

• Limited availability of charging infrastructure

• High carbon emissions

• Poor acceleration performance

Which of the following is the primary advantage of using a permanent magnet synchronous motor (PMSM) in electric vehicles (EVs) compared to an induction motor?

• Higher torque density and efficiency

• Lower cost of production

• Simpler control system

• Less efficient at high speeds

In an electric vehicle, which of the following is the primary function of the Battery Management System (BMS)?

• To control the vehicle's speed

• To optimize the battery’s state of charge and health

• To regulate the motor’s power output

• To manage the cooling system of the electric motor