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What is the primary advantage of using electric traction in transportation systems?

• A) It reduces energy consumption.

• • B) It reduces environmental pollution.

• C) It increases the need for fuel.

• D) It requires more maintenance

Which of the following is an example of a transportation system that uses electric traction?

• A) Diesel-powered trains

• B) Electric buses in a city

• C) Gasoline-powered cars

• D) Hybrid trucks

What component is essential for powering an electric traction system?

• A) Combustion engine

• B) Electric motor

• C) Gasoline tank

• D) Steering mechanism

What is the role of a transformer in an electric traction system?

• A) To store energy

• B) To convert electrical power from one voltage to another

• C) To generate electricity

• D) To reduce the weight of the system

Which of the following is NOT a key factor in transportation engineering?

• A) Traffic flow optimization

• B) Sustainable energy use

• C) Vehicle comfort and design

• D) Fuel combustion in vehicles

What is the function of an electric motor in an electric traction system?

• C) To regulate speed

• B) To store electrical energy

• A) To convert electrical energy into mechanical energy

• D) To provide steering control

Which of the following technologies is commonly used in electric traction systems?

• B) Hydraulic suspension

• A) Regenerative braking

• C) Pneumatic tires

• D) Manual transmission

What is a significant environmental benefit of electric traction systems?

• A) Increased noise pollution

• B) Lower greenhouse gas emissions

• D) More land use for infrastructure

• C) Higher fossil fuel consumption

What is the purpose of regenerative braking in electric traction systems?

• C) To reduce the weight of the vehicle

• B) To convert kinetic energy back into electrical energy

• A) To increase speed

• D) To improve aerodynamics

Which type of power supply is commonly used for electric traction systems?

• B) Battery storage

• C) Overhead lines

• A) Solar panels

• D) Wind turbines