PTU B.Tech Automobile Engineering 4th Semester May 2019 54125 AUTOMOTIVE ELECTRICAL SYSTEMS Question Papers

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Total No. of Pages : 02

Total No. of Questions : 09

B.Tech.(AE) (2011 Onwards) (Sem.-4)

AUTOMOTIVE ELECTRICAL SYSTEMS

Subject Code : BTAE-404

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M.Code: 54125

Time: 3 Hrs. Max. Marks : 60

INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.

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3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

Q1. Answer briefly :

1. What is the difference between earth return and insulated return system?
2. Write a note on checking the state of charge.

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3. On what factors does battery efficiency depend?
4. What is the difference between a generator and an alternator?
5. Write about characteristics of series motor.
6. Write a short note on vacuum advance mechanism.
7. What do you understand by headlight leveling devices?

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8. Briefly write about ‘Electrical fuel pump'.
9. What are different drive motors in hybrid vehicles?
10. Define Thermodynamic Aspects of fuel cells.

SECTION-B

2. What is the function of a bridge rectifier?

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3. Discuss battery charging procedure.
4. Describe the construction of a starter motor.
5. What are the drive arrangements in electric vehicles? Explain in detail.
6. Describe the modern headlight system with improved night vision.

SECTION-C

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7. Write in brief about :
   1. Motorized rear view mirrors
   2. Heaters and defrosters
8. What are the various components of a fuel cell? Explain its working with a neat sketch.
9. Explain the construction of a spark plug. And write about the importance of servicing a spark plug.

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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.