GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- V (New) EXAMINATION - WINTER 2019
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Subject Code: 2150208
Subject Name: Automotive Electrical Systems
Time: 10:30 AM TO 01:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Q.1 | (a) Justify the need of windshield wiper. | 03 |
| (b) Draw layout of wiring diagram of auto rickshaw. | 04 | |
| (c) Distinguish between lead acid battery, dry battery and alkaline battery. | 07 | |
| Q.2 | (a) List types of cables used in automobile. | 03 |
| (b) State the advantages of lead acid battery. | 04 | |
| (c) Describe construction and working of lead acid battery. | 07 | |
| OR | ||
| (c) Describe construction and working of dry battery. | 07 | |
| Q.3 | (a) Justify ineffectiveness of headlamp in fog. | 03 |
| (b) Distinguish between constant voltage regulator and constant current regulator. | 04 | |
| (c) Explain colour coding of wiring system. | 07 | |
| OR | ||
| (a) Define dwell angle. | 03 | |
| (b) Explain alternator with neat sketch. | 04 | |
| (c) Illustrate magneto ignition system. | 07 | |
| Q.4 | (a) Define Diode rectification. | 03 |
| (b) Explain working of cutout relay. | 04 | |
| (c) Describe battery ignition system. | 07 | |
| OR | ||
| (a) Define spark plug fouling. | 03 | |
| (b) Describe ballast resistance. | 04 | |
| (c) Describe construction and working of spark plug with neat sketch. | 07 | |
| Q.5 | (a) Describe Odometer. | 03 |
| (b) Explain oil temperature gauge. | 04 | |
| (c) Illustrate characteristics of ideal sparkplug. | 07 | |
| OR | ||
| (a) Describe speedometer. | 03 | |
| (b) Explain coolant temperature gauge. | 04 | |
| (c) Describe types of reflectors. | 07 | |
Date: 06/12/2019
Total Marks: 70
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