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EndsemNov 20232019 patternBE Mech

Electrical & Hybrid Vehicle (EHV) SPPU Endsem Question Paper Nov 2023

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
402051E
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2023
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6181]-256

Printed for: B.E. (Mechanical Engineering)

Instructions to the candidates

  1. Solve 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)

      Describe and illustrate the structural configuration of motor layout.

      Also asked:May 2025

      [6]
    2. b)

      Describe and illustrate the energy storage system types and packs classification.

      Also asked:May 2025 ·May 2023

      [6]
    3. c)

      Explain and estimate the battery performance parameters.

      Also asked:Nov 2024 ·May 2024

      [6]

  2. Q2

    1. a)

      Short note on Battery thermal management system (cooling, thermal protection, control, safety and maintenance).

      Also asked:May 2025

      [9]
    2. b)

      Determine the rating of motor required for following data: Gross curb weight (GCW) = 150Kg Battery rating = 30Ah Working voltage = 72V Efficiency of motor = 95% Acceleration required = 0 to 60 km/hr in 10 seconds Road gradient = 10° Vehicle range = 150Km Take road friction = 0.01, COF of drag 0.9, density of air = 1.2kg/m 3 , wheel radius = 0.3m, frontal area of vehicle 0.6m 2 .

      Also asked:May 2023

      [9]

  3. Q3

    1. a)

      Differentiate between mechanical differential and electric differential.

      Also asked:Nov 2025 ·May 2025 ·May 2024 ·May 2023

      [6]
    2. b)

      Explain and illustrate fuel efficiency analysis.

      Also asked:Mar 2024

      [5]
    3. c)

      Describe and illustrate the brake system and its types. 2

      Also asked:Nov 2024 ·May 2023

      [6]

  4. Q4

    1. a)

      Describe and illustrate various electric drive-train topologies and their types (Two-Wheeler, Three-Wheeler, Four-Wheeler Electric Vehicle Configurations).

      Also asked:Nov 2024 ·May 2024

      [9]
    2. b)

      Explain with suitable equations rolling resistance, aerodynamic drag/lift, grading resistance, road resistance, acceleration resistance, total driving resistance.

      Also asked:May 2025

      [8]

  5. Q5

    1. a)

      State and explain the different types of frames used in electric vehicle and the associated Chassis/Frame building problems.

      [9]
    2. b)

      Explain need of vehicle testing. What are the national/ international testing/ regulation/licensing/ approval organizations and agencies?

      Also asked:Nov 2025 ·May 2025 ·May 2023

      [9]

  6. Q6

    1. a)

      Explain the problems associated with Retrofitting.

      Also asked:Nov 2025

      [6]
    2. b)

      What is the homologation of vehicles?

      [6]
    3. c)

      Describe and illustrate the body loads based on varieties of electric vehicle configurations.

      Also asked:May 2025 ·May 2023

      [6]

  7. Q7

    1. a)

      What are the Requirements for Charging System?

      Also asked:May 2025 ·May 2024

      [8]
    2. b)

      Describe and illustrate a typical structure of battery management systems (bms) along with its necessity.

      Also asked:Nov 2025 ·May 2025 ·May 2023

      [9]

  8. Q8

    1. a)

      Describe and illustrate charger architectures.

      [8]
    2. b)

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

      [9]