D 10000ME407122003 Pages: 2

Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Seventh Semester B.Tech Degree Regular and Supplementary Examination December 2021 (2015 Scheme)

Course Code: ME407
Course Name: MECHATRONICS
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any three full questions, each carries 10 marks. Marks
1 ച Explain the main components of a Mechatronic Measurement system using (5)
block diagram
b) Describe the terms (i) Non Linearity Error (ii) Response time (iii) Output (5)
impedance
2 9) Explain the principle of (1) Eddy current proximity sensors (ii) Pyroelectric (6)
sensors
b) Explain the basic principle of an Accelerometer (4)
3 9) Explain the working of a process control valve using suitable figure. Also list (8)
down different plug shapes and type of valve seats used in process control valve.
b) Draw the symbol for a Direction control valve (i) 4/2 valve (ii) 4/3 valve (2)
4 A conveyor belt carries the finished product. A double acting cylinder is used for (10)
a transfer station to remove the products from the conveyor belt, when a push
button is operated. At the point where the push button is released the double
acting cylinder returns to its original position. Design a pneumatic system circuit

for the given application.

PART ‏تا‎
‎Answer any three full questions, each carries 10 marks.
5 9) Explain the procedure of photolithography using suitable figures (7)
b) Differentiate between isotropic and anisotropic wet etching (3)
6 Write the different steps involved in the fabrication of a MEMS pressure sensor (10)

use suitable figures to represent each step
7 Compare the working of gain-scheduled control and self-tuning control in (10)

adaptive control systems.

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