GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-V (NEW) EXAMINATION - WINTER 2018
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Subject Code: 2153406 Date: 20/11/2018
Subject Name: Mechatronics
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1
(a) Define Sensitivity, Drift and Resolution. [03]
(b) Explain any two heat treatment process. [04]
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(c) Explain the design process of a mechatronics system. [07]
Q.2
(a) Explain Conductor and Insulators. [03]
(b) Explain Ratchet and Pawl mechanism with its applications. [04]
(c) Explain Cascade control system with a neat sketch. [07]
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OR
(c) Differentiate between Open & Closed loop control system with block diagram. [07]
Q.3
(a) Define Potentiometer. [03]
(b) Explain the difference between DC motor, Stepper motor and Servo motor [04]
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(c) Explain Linear Variable Differential Transducer (LVDT) with a neat sketch. [07]
OR
Q.3
(a) Define Thermocouple & Thermistor. [03]
(b) Write short notes on Optical encoders. [04]
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(c) Explain Strain gauge pressure Transducer. [07]
Q.4
(a) Compare Chain and Belt drive with an example. [03]
(b) Explain Pneumatic load cell with neat sketch. [04]
(c) Explain the structure of PLC with its components. [07]
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OR
Q.4
(a) Explain Bimetallic strip. [03]
(b) Explain the advantages of PLCs. [04]
(c) What is a Microprocessor? Explain all types of buses used in Microprocessor. [07]
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Q.5
(a) Define Internal Relays, Timers and Shift registers in PLC [03]
(b) List the types of Robot Configuration. Explain any one with neat sketch. [04]
(c) Explain Forward & Reverse kinematics of robotic arm. [07]
OR
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Q.5
(a) Explain 3 basic laws of robotics. [03]
(b) Explain Input/output processing in PLC. [04]
(c) Discuss the different types of drive systems in robots and list their merits and demerits. [07]
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