1. An electric vehicle (EV) is powered primarily by:
(A) Gasoline engine
(B) Diesel engine
(C) Electric motor and battery
(D) Steam turbine
2. A hybrid electric vehicle (HEV) uses:
(A) Only a battery
(B) Only a combustion engine
(C) Both internal combustion engine and electric motor
(D) Solar panels only
3. The main energy storage device in an electric vehicle is:
(A) Fuel tank
(B) Flywheel
(C) Battery pack
(D) Capacitor
4. The most commonly used battery type in modern EVs is:
(A) Nickel-cadmium
(B) Lead-acid
(C) Lithium-ion
(D) Zinc-carbon
5. The main advantage of an electric vehicle is:
(A) High fuel consumption
(B) Zero tailpipe emissions
(C) High noise level
(D) Heavy weight
6. The electric motor in an EV converts:
(A) Mechanical energy to electrical energy
(B) Electrical energy to mechanical energy
(C) Thermal energy to electrical energy
(D) Chemical energy to thermal energy
7. The regenerative braking system in EVs:
(A) Converts mechanical energy into electrical energy
(B) Increases fuel consumption
(C) Reduces battery life
(D) Increases braking distance
8. The main drawback of electric vehicles compared to conventional vehicles is:
(A) Lower efficiency
(B) Limited driving range
(C) High noise pollution
(D) Dependence on fossil fuels
9. The term “PHEV” stands for:
(A) Pure Hybrid Electric Vehicle
(B) Plug-in Hybrid Electric Vehicle
(C) Power Hybrid Engine Vehicle
(D) Portable Hybrid Electric Vehicle
10. The main function of an inverter in an EV is to:
(A) Convert AC to DC
(B) Convert DC to AC
(C) Store electrical energy
(D) Regulate fuel injection
11. The controller in an electric vehicle manages:
(A) Fuel injection
(B) Motor speed and torque
(C) Brake fluid
(D) Air conditioning
12. The main component responsible for torque production in an EV is:
(A) Motor
(B) Battery
(C) Inverter
(D) Controller
13. The charging time of an electric vehicle depends mainly on:
(A) Tire pressure
(B) Charger power rating and battery capacity
(C) Motor efficiency
(D) Vehicle weight
14. Fast charging is typically achieved using:
(A) AC slow chargers
(B) DC fast chargers
(C) Solar panels
(D) Regenerative systems
15. The range of an electric vehicle can be increased by:
(A) Reducing battery capacity
(B) Improving battery energy density
(C) Increasing vehicle weight
(D) Using smaller tires
16. The main loss in an electric drive system is due to:
(A) Friction
(B) Copper and iron losses in the motor
(C) Cooling system
(D) Air drag only
17. The onboard charger in an EV:
(A) Converts DC to AC
(B) Converts AC from the grid to DC for charging the battery
(C) Controls motor torque
(D) Regulates braking force
18. The main purpose of a Battery Management System (BMS) in EVs is to:
(A) Control air conditioning
(B) Protect, monitor, and balance battery cells
(C) Increase tire pressure
(D) Reduce vehicle weight
19. In a hybrid vehicle, energy can be recovered during:
(A) Acceleration
(B) Braking
(C) Idle condition
(D) Engine start
20. Which of the following motors is most commonly used in EVs?
(A) DC shunt motor
(B) Synchronous motor
(C) Permanent magnet brushless DC motor
(D) Universal motor
21. The efficiency of electric motors in EVs is typically:
(A) 30–40%
(B) 50–60%
(C) 80–90%
(D) 95–100%
22. The component used to step up or step down voltage in EV systems is:
(A) Inverter
(B) Converter
(C) Controller
(D) Battery
23. Hybrid vehicles reduce fuel consumption by:
(A) Running both engines continuously
(B) Using regenerative braking and electric drive at low speeds
(C) Operating only on fossil fuel
(D) Reducing vehicle size
24. The main environmental benefit of EVs is:
(A) Increased CO₂ emissions
(B) Reduction of greenhouse gases
(C) Increased noise
(D) High fuel demand
25. The “range anxiety” term refers to:
(A) Fear of low battery charge while driving
(B) Fear of motor failure
(C) Fear of traffic congestion
(D) Fear of vehicle overheating
26. The power-to-weight ratio of an EV affects its:
(A) Charging time
(B) Acceleration performance
(C) Battery life
(D) Cooling system
27. A Fuel Cell Electric Vehicle (FCEV) generates electricity using:
(A) Hydrogen and oxygen
(B) Gasoline combustion
(C) Battery discharge
(D) Steam turbines
28. The drivetrain of a battery electric vehicle (BEV) is simpler than that of a conventional vehicle because:
(A) It has no transmission or clutch system
(B) It uses both fuel and battery
(C) It has multiple engines
(D) It needs no braking system
29. The main factor limiting widespread EV adoption is:
(A) High noise
(B) Battery cost and charging infrastructure
(C) Lack of comfort
(D) Engine overheating
30. The future development goal for EV technology is to:
(A) Increase carbon emissions
(B) Reduce energy efficiency
(C) Improve battery life, range, and charging speed
(D) Eliminate electric components