Download PTU B.Tech 2020 March AE 4th Sem BTAE 404 Automotive Electrical Systems Question Paper

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Roll No. Total No. of Pages : 02

Total No. of Questions : 09

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B.Tech.(AE) (2012 to 2017) (Sem.-4)

AUTOMOTIVE ELECTRICAL SYSTEMS

Subject Code : BTAE-404

M.Code : 54125

Time : 3 Hrs. Max. Marks : 60

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

SECTION-A

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1. Answer briefly :
   1. Brief about fusing of circuits.
   2. Distributors are used for what purpose?
   3. In which vehicles 6-volt system is attached?
   4. Illustrate about power requirements in starting vehicles.
   5. Write about auxiliary lighting-engine.

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   6. What is role of compensated voltage regulator?
   7. What is electronic ignition system?
   8. List the types of motors used in electric vehicles.
   9. Brief about magneto.
   10. What is safety mechanism for starting systems?

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SECTION-B

2. Illustrate the effect of temperature on capacity of battery.
3. Explain the two types of fuel cells.
4. Write short notes on following :
   1. power window winding

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   2. heaters and defrosters.
5. Explain the working of starter motor.
6. Explain the construction of alternator.

SECTION-C

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7. Discuss in detail about automobile illumination.
8. Illustrate in detail about driving arrangement in hybrid vehicles.
9. Write in detail about following :
   1. Plug fouling
   2. Engine rpm meter
   3. Contact breaker point and

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   4. Characteristics of series motor.

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.