GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
Enrolment No.
Subject Code: 2153406
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- V (New) EXAMINATION - WINTER 2019
Date: 21/11/2019
Subject Name: Mechatronics
Time: 10:30 AM TO 01:00 PM
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Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Q.No | Question | Marks |
|---|---|---|
| Q.1 (a) | What are the key elements of Mechatronics system? | 03 |
| Q.1 (b) | List out various heat treatment processes? Explain any Two heat treatment process. | 04 |
| Q.1 (c) | Explain conductors, semiconductor & Insulators. | 07 |
| Q.2 (a) | List out solid state switches. Explain any one. | 03 |
| Q.2 (b) | Name types of stepper motors. Explain any two with neat diagram. | 04 |
| Q.2 (c) | Brief the construction and working principle of following; (1) Linear and rotary potentiometer (ii) Strain gauge. | 07 |
| OR | ||
| Q.3 (a) | Explain “C” type bourdon gauge. | 07 |
| Q.3 (b) | Write short note about the bimetallic strips. | 03 |
| Q.3 (c) | Write short note on Optical encoders. | 04 |
| Q.4 (a) | List out the different actuating methods for hydraulic direction control valve. | 07 |
| Q.4 (b) | Explain Two stage hydraulic direction control valve. | 03 |
| OR | ||
| Q.4 (c) | Explain belt and Chain drives. | 04 |
| Q.5 (a) | Write short notes on the working of a Ratchet and pawl mechanism. | 07 |
| Q.5 (b) | With neat diagrams illustrate the working of Filter-Regulator- Lubricator (FRL) unit in a pneumatic system | 03 |
| Q.5 (c) | Explain Thermocouple. | 04 |
| Q.6 (a) | Explain Two step control mode in controllers. | 07 |
| Q.6 (b) | Demonstrate the details about inductive transducer used to measure the linear displacement. | 03 |
| OR | ||
| Q.6 (c) | Explain Thermistors. | 04 |
| Q.7 (a) | List down the various stages in mechatronic system design. | 07 |
| Q.7 (b) | What is Proportional-Integral-differential (PID) controller? Explain each of constituents with neat sketch. | 03 |
| Q.7 (c) | Explain 3 basic laws of robotics | 04 |
| Q.8 (a) | Elaborate the construction and Input/output details of PLC. | 07 |
| Q.8 (b) | Draw the ladder logic diagram of OR, NOR, NAND and XOR logic. | 03 |
| OR | ||
| Q.8 (c) | What is an internal relay in PLC? | 04 |
| Q.9 (a) | Design a robot to pick and place the object and comment on the various elements in the system. | 07 |
| Q.9 (b) | Write abort notes on PLC for the following: . (1) Data Movement (2) Data Comparison. | 03 |
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