1030235210 E-VEHICLE TECHNOLOGY (THEORY) MCQ QUESTIONS AND ANSWERS TEST

 

1030235210 E-VEHICLE TECHNOLOGY (THEORY)

MCQ QUESTION ONLINE TEST LINK MCQ TEST

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PART –A (ONE MARKS)

1. Which of the following is an advantage of Electric Vehicles (EV)?
   a)  Low emissions
   b) High noise
   c) Low efficiency
   d) Short lifespan

2. Which component stores electrical energy in EV?
   a) Motor
   b)  Battery
   c) Controller
   d) Converter

3. Which charging method uses no physical connector?
   a) Fast charging
   b) Plug-in charging
   c)  Wireless charging
   d) Solar charging

4. The life of an EV battery mainly depends on:
   a)  Temperature and usage
   b) Color of vehicle
   c) Motor type
   d) Size of tire

5. Which motor is commonly used in Electric Vehicles?
   a) DC motor
   b)  BLDC motor
   c) Stepper motor
   d) Synchronous motor

6. In a hybrid electric drive train, torque coupling occurs in:
   a)  Parallel hybrid
   b) Series hybrid
   c) Plug-in hybrid
   d) Series-parallel hybrid

7. Switched reluctance motor operates based on:
   a)  Electromagnetic attraction
   b) Permanent magnet
   c) Induced voltage
   d) Resistive force

8. Peak power source in hybrid vehicle provides:
   a) Steady power
   b)  Short-term high power
   c) Low torque
   d) Constant current

9. A key cybersecurity threat to autonomous EVs is:
   a) Brake fluid leakage
   b) Sensor misalignment
   c) Battery overheating
   d)  System hacking and sensor spoofing

10. Which semiconductor device is most suitable for EV power control?
    a) BJT
    b)  MOSFET
    c) Diode
    d) SCR

11. Which safety concern is unique to EVs?
    a)  High voltage risk
    b) Low temperature
    c) Fuel leakage
    d) Brake failure

12. Sensor-less control eliminates the use of:
    a) Motors
    b)  Physical sensors
    c) Converters
    d) Relays

13. The main advantage of a hybrid electric vehicle is:
    a)  Reduced emissions
    b) High fuel consumption
    c) Increased noise
    d) Less efficiency

14. Which hybrid layout uses both series and parallel features?
    a) Series
    b) Parallel
    c)  Series-Parallel
    d) Plug-in

15. Regenerative braking converts:
    a)  Kinetic energy to electrical energy
    b) Electrical to mechanical
    c) Thermal to chemical
    d) None

 

16. Noise reduction in HEV is achieved by:
    a)  Efficient motor design
    b) Fuel combustion
    c) Turbocharger
    d) Transmission gear

17. Fuel cells convert:
    a) Mechanical energy to electrical
    b)  Chemical energy to electrical
    c) Thermal energy to mechanical
    d) Solar to heat

18. The efficiency of a fuel cell mainly depends on:
    a)  Temperature and fuel type
    b) Color of electrodes
    c) Coolant used
    d) Battery capacity

19. Hydrogen is used as fuel in:
    a) Diesel engine
    b)  Fuel cell vehicle
    c) Hybrid car
    d) Petrol engine

20. The main disadvantage of fuel cells is:
    a)  High cost
    b) Low efficiency
    c) Low durability
    d) High emissions