Yashwantrao Chavan Maharashtra Open University 2006 Certification TES Industrial Electronics - II - Question Paper

TES104/EE/20070818
Industrial Electronics - II
Time : 180 minutes Marks : 100
Instructions for the students :
1. All ques. are compulsory.
2. “Long ans kind ques. (LAQ)” is a supply kind ques. of 20 marks,
which require typical ans of about 60-80 lines in about 32-40 minutes.
3. “Short ans kind ques. (SAQ)” is a supply kind ques. of five marks,
which require typical ans of about 15-20 lines in about 08-10 minutes.
4. Use of non-programmable kind of scientific calculator is allowed.
5. Draw neat diagrams wherever necessary.
6. presume suitable data if necessary.


Long ans kind ques. (LAQ’s)

1. (a) Draw the block diagram of a feed forward control system.
discuss every block. provide a suitable example of a feed
forward control system.
(b) What is a Proximity detector ? With the help of a neat block
diagram, discuss the function of different parts of an
inductive proximity switch.


2. (a) List the different control models used by the controller
section. discuss in detail the ON/OFF control mode.
(b) Draw the block diagram of a PLC and discuss every block.


3. (a) define the operation of an analog input and output
module.
(b) With the neat diagram, discuss the operation of an
Inductosyn.


4 (a) Draw and discuss the operation of a Permanent Magnet
Stepper Motor.
(b) discuss with the help of a block diagram the different
elements of a motion control system.


Short ans kind ques. (SAQ’s)

5. discuss in brief the working principles of a Hall-Effect Sensor. 5
6. Draw and discuss in short the basic structure of a fuzzy rule
based system.

7. discuss the 3 steps of a processor scan cycle. 5
8. What do you understand by Micro stepping ?

Earning:   Approval pending.