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EndsemNov 20242019 patternBE Mech

Electrical & Hybrid Vehicle (EHV) SPPU Endsem Question Paper Nov 2024

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated EHV questions
Subject code
402051 E
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2024
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6354]-637

Printed for: B.E. (Mechanical Engineering)

Instructions to the candidates

  1. Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right indicate full marks.
  4. Use of electronic pocket calculator is allowed.
  5. Assume Suitable data if necessary.

Questions

  1. Q1

    1. a)

      Explain and estimate the Battery Performance Parameters.

      Also asked:May 2024 ·Nov 2023

      [8]
    2. b)

      Explain power efficiency and characteristics curve of Lithium-ion battery.

      [10]

  2. Q2

    1. a)

      A rickshaw has following specifications : Grass curb weight (GCW) = 600 kg Road friction, R_{r} = 0.0 15 Coefficient of drag C_{d} 0.45 Density of air rho = 1.2kg / m 3 Frontal area of Vehicle, A = 1.6m 2 Wheel radius = 0.2m Maximum speed of the vehicle = 30 kmph (8.34 m/s) Working voltage of motor = 24 Volts For attaining the speed range of 90 km per charge, suggest the type and capacity of battery pack required. Assume suitable data wherever required.

      [12]
    2. b)

      Explain Units of Battery/Fuel Cell Energy Storage. 2

      [6]

  3. Q3

    1. a)

      Describe and illustrate various electric drive-train topologies and their types for Four-Wheeler application.

      Also asked:May 2024 ·Nov 2023

      [9]
    2. b)

      Describe the Basic concept of Electric Traction with examples.

      [8]

  4. Q4

    1. a)

      Describe and Illustrate the Brake System and its types.

      Also asked:Nov 2023 ·May 2023

      [9]
    2. b)

      Explain Power flow Control in Electric Drive-Train Topologies.

      Also asked:May 2025 ·May 2023

      [8]

  5. Q5

    1. a)

      Describe and Illustrate the types of Electric Vehicle frame Configurations.

      [9]
    2. b)

      Describe Indian AIS Standards for e-Vehicles.

      [9]

  6. Q6

    1. a)

      What is the homologation of vehicles?

      [9]
    2. b)

      Describe and illustrate the Driving dynamics and Comfort.

      [9]

  7. Q7

    1. a)

      Describe and illustrate Charger Architectures.

      [9]
    2. b)

      Describe AIS Charging Standards.

      [8]

  8. Q8

    1. a)

      Explain the Level 1, Level 2 and Level 3 chargers of electric vehicles.

      Also asked:May 2025 ·May 2024

      [9]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]