GTU BE 2020 Summer Question Papers || Gujarat Technological University
Subject Code: 2160208
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER- VI EXAMINATION — SUMMER 2020
Date: 28/10/2020
Subject Name: AUTOMOTIVE COMPUTER CONTROLLED SYSTEMS
Time: 10:30 AM TO 01:00 PM
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks
| Q.1 | (a) Define MPFI system used in SI Engine. | 03 |
| (b) Distinguish between RAM and ROM. | 04 | |
| (c) List various Logic gates along with symbols and truth tables. | 07 | |
| Q.2 | (a) List the fundamental parts of a computer. | 03 |
| (b) Justify the statement “The Switching-off point is not affected by speed in electronic ignition system”. | 04 | |
| (c) Describe Traction Control System. | 07 | |
| OR | ||
| (c) Explain Stability Control System. | 07 | |
| Q.3 | (a) Illustrate about thermistor. | 03 |
| (b) State importance of sensors. | 04 | |
| (c) List the types of EGO Sensor. Explain each one. | 07 | |
| OR | ||
| (c) Illustrate Optical Sensor. | 03 | |
| Q.4 | (a) Describe Knock Sensor. | 04 |
| (b) Explain Digital to analogue and Analogue to digital conversion. | 07 | |
| Q.5 | (a) Explain LCD. | 03 |
| (b) Describe Solenoid based Actuators used in Automobile. | 04 | |
| (c) Describe: (i) Variable reluctance type sensor (ii) Crankshaft position sensor. | 07 | |
| OR | ||
| (c) Explain LED. | 03 | |
| Q.3 | (a) Describe operation of Actuators. | 04 |
| (b) Describe: (i) ABS wheel sensor (ii) Hall effect sensor. | 07 | |
| (c) List the precautions when working with computer controlled systems. | 03 | |
| Q4 | (a) Explain digital multi-meter. | 04 |
| (b) Describe SRS. | 07 | |
| OR | ||
| (c) Define Flip-Flop. | 03 | |
| Q.5 | (a) Describe Portable flat screen oscilloscopes. | 04 |
| (b) Explain the coded ignition key system | 07 |
Total Marks: 70
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