E-bike Design And Manufacturing Test

30 Questions | Total Attempts: 234

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Manufacturing Quizzes & Trivia

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Questions and Answers
  • 1. 
    What is the cell voltage of Lead-Acid battery?
    • A. 

      2.0V

    • B. 

      3.6V

    • C. 

      9V

    • D. 

      12V

  • 2. 
    For a 48V powertrain, consisting of 3.7V nominal cells with 3.2V and 4.2V as extreme voltages, what will be the charging voltage?
    • A. 

      48V

    • B. 

      52V

    • C. 

      55V

    • D. 

      60V

  • 3. 
    For an SLA battery, the capacity is 20Ah in C10 rating. What will be the capacity in C20?
    • A. 

      Will be more

    • B. 

      Will be Less

    • C. 

      Will be same

    • D. 

      Will double

  • 4. 
    Which is not a function of BMS?
    • A. 

      Cell Balancing

    • B. 

      Voltage Protection

    • C. 

      Battery Cooling

    • D. 

      Current Monitoring

  • 5. 
    A 48V 3kWh pack can discharge 250A peak current. What is the rating of motor?
    • A. 

      3kW

    • B. 

      6kW

    • C. 

      9kW

    • D. 

      12kW

  • 6. 
    BLDC motors are powered by
    • A. 

      Direct Current

    • B. 

      Single Phase AC

    • C. 

      Two Phase AC

    • D. 

      Three Phase AC

  • 7. 
    Speed of the motors are controlled by
    • A. 

      Current

    • B. 

      Voltage

    • C. 

      Power

    • D. 

      Capacity

  • 8. 
    Torque of motor is controlled by
    • A. 

      Current

    • B. 

      Voltage

    • C. 

      Power

    • D. 

      Capacity

  • 9. 
    A 200kg motorcycle with rider needs to accelerate 0-60kph in 10 seconds. What should be the motor rating?
    • A. 

      3kW

    • B. 

      6kW

    • C. 

      9kW

    • D. 

      12kW

  • 10. 
    A Diesel locomotive powertrain consists of
    • A. 

      Series Hybrid Architecture

    • B. 

      Parallel Hybrid Architecture

    • C. 

      Series Parallel Hybrid Architecture

    • D. 

      Plugin Hybrid Architecture

  • 11. 
    Why gearboxes are used for ICE vehicles?
    • A. 

      Inefficiency

    • B. 

      Narrow torque band

    • C. 

      Limited speed

    • D. 

      Idling losses

  • 12. 
    Automatic Scooters have
    • A. 

      Centrifugal Clutch

    • B. 

      Continuous Variable Transmission

    • C. 

      Belt Drive

    • D. 

      All of the above

  • 13. 
    How can the life of the battery of an EV be increased?
    • A. 

      Fast Charging

    • B. 

      Use 100% DoD

    • C. 

      Use mid part of charge

    • D. 

      Deep discharge

  • 14. 
    Which among the following is not load on motor in an EV?
    • A. 

      Vehicle and rider weight

    • B. 

      Wind speed

    • C. 

      Terrain Gradient

    • D. 

      Rolling Resistance

  • 15. 
    For a 48V 20Ah battery pack, how many 9Wh cells be required?
    • A. 

      92

    • B. 

      97

    • C. 

      102

    • D. 

      107

  • 16. 
    Which among is a characteristic of a streetfighter motorcycle?
    • A. 

      Shorter Wheelbase

    • B. 

      Aggressive Rake

    • C. 

      Stiffer Suspension

    • D. 

      All of the above

  • 17. 
    What is the advantage of higher voltage powertrain?
    • A. 

      Higher Current

    • B. 

      More Power

    • C. 

      Cooler Electricals

    • D. 

      Higher Efficiency

  • 18. 
    Which among these is not an Electric Motorcycle Manufacturer?
    • A. 

      Ultraviolette

    • B. 

      Orxa

    • C. 

      Tork

    • D. 

      Ather

  • 19. 
    A 200kg motorcycle with rider needs to accelerate 0-60kph in 10 seconds. if you have a motor producing 50Nm, what should be the drive ratio for the wheel diameter of 640mm?
    • A. 

      4.2

    • B. 

      4.7

    • C. 

      5.2

    • D. 

      5.7

  • 20. 
    For electricity-water analogy, voltage is denoted by
    • A. 

      Pressure Head

    • B. 

      Pressure Head

    • C. 

      Potential Head

    • D. 

      None of the above

  • 21. 
    Which among the following is not a major component in Electric powertrain?
    • A. 

      Battery

    • B. 

      Motor

    • C. 

      Controller

    • D. 

      Charger

  • 22. 
    EV level 1 charger is
    • A. 

      Single Phase AC

    • B. 

      Three Phase AC

    • C. 

      High Voltage DC

    • D. 

      None of the above

  • 23. 
    Fast charging stations are
    • A. 

      Single Phase AC

    • B. 

      Three Phase AC

    • C. 

      High Voltage DC

    • D. 

      None of the above

  • 24. 
    Smart batteries have
    • A. 

      IoT

    • B. 

      CAN

    • C. 

      RFID

    • D. 

      Ethernet

  • 25. 
    In any EV, with sophisticated algorithm, the highest power is delivered at
    • A. 

      Initial Pickup

    • B. 

      Midrange Cruising

    • C. 

      Top Speed

    • D. 

      Equal power throughout

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