# Download JNTUA B.Tech 4-2 R13 2018 April 13A02806 Industrial Automation and Control Question Paper

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Code: 13A02806

B.Tech IV Year II Semester (R13) Regular & Supplementary Examinations April 2018
INDUSTRIAL AUTOMATION & CONTROL
(Electrical and Electronics Engineering)

Time: 3 hours Max. Marks: 70

PART ? A
(Compulsory Question)

*****
1 Answer the following: (10 X 02 = 20 Marks)
(a) What is measurement?
(b) Name any two pressure and force measurement.
(c) What is overriding control system?
(d) What is split range controller?
(e) What is inverse step response?
(f) State two differences between analog control and sequence control.
(g) What is a actuator?
(h) What are hydraulic motors?
(i) How do stepper motor works?
(j) What is the difference between a motor and a drive?

PART ? B
(Answer all five units, 5 X 10 = 50 Marks)

UNIT ? I

2 Explain the concept of generalized measurement system, with block diagram taking the working of
Bourdon pressure gauge as an example.
OR
3 Why are industries turning towards automation? Explain briefly.

UNIT ? II

4 With a block diagram, explain series and parallel PID algorithm.
OR
5 Write short notes on:
(a) Selective control.
(b) Split range control.

UNIT ? III

6 Define a programmable logic controller and name its major structural components.
OR
7 Describe a typical program scan cycle and its impact on control performance.

UNIT ? IV

8 With a neat sketch, explain hydraulic circuit for sequencing of two cylinders.
OR
9

Classify hydraulic control valves. Explain with neat sketch working of check valve and give its graphical
representation.

UNIT ? V

10 Sketch and explain briefly working principle of induction motor.
OR
11 Write short notes on:
(a) DC converter.
(b) Servo drives.

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R13
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