Vinayaka Missions University 2008 B.E Mechanical Engineering : MECHATRONICS - Question Paper

B.E. DEGREE exam JULY 08
B.E. (MECHANICAL ENGINEERING)
MECHATRONICS

Time: three Hrs. Max. Marks: 75
part – A

ans all the questions: 10 x two = 20

1. How will you compute the fault signal?
2. elaborate the elements of the closed loop control system?
3. Write about absolute encoder.
4. elaborate the kinds of thermocouples?
5. Differentiate a complier and an interpreter.
6. Write about ASCII.
7. What is ladder programming?
8. provide an example for input and outputs of PLC.
9. elaborate the disadvantages of the bimetallic thermostat?
10. How will you generate time delay in timed switch?

part – B

ans any 5 Questions: five x five = 25

11. Suggest a sensor that could be used as part of a control system, to
determine the difference in levels ranging from liquids in two
containers. The output is to give an electrical signal for the
control system.

12. Write about the advances in memory technology.
13. Write detail about a bout Timers.
14. Write about the advances in memory technology.
15. Draw the architecture of a PLC.
16. Design the car park barrier system with block diagram of
the microprocessor.
17. Devise a timing circuit that will switch an output on for one S
then off for 20 S, then on for 1S, then off for 20 S and so
on.
18. discuss the function of a programmable logic controller.
part – C
ans any 2 Questions: two x 15 = 30
19. Design a pick and place robot.
20. Write about the interfacing D/A and A/D converters.
21. Design an automatic car park system.

Earning:   Approval pending.