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04000EE404052001

Pages: 2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Eighth Semester B.Tech. Degree Examinations, September 2020

Course Code: EE404

Course Name: INDUSTRIAL INSTRUMENTATION AND AUTOMATION
Max. Marks: 100

PARTA

Answer all questions, each carries 5 marks.
List any five factors affecting choice of transducer.
Explain the principle of variable reluctance tachometer.
Explain the working of instrumentation amplifier with basic circuit diagram.
Explain MEMS accelerometer. List its advantages and disadvantages
compared to normal sensors.
Which are the commonly used actuators and how they are selected for a
particular process control application?
What are the various types of automation used in industrial process?
Explain about the different types of timers used in PLC.
What is Distributed control system? Also state the difference between DCS

and SCADA in process control.

PART B

Answer any two full questions, each carries 10 marks.
Explain the block diagram representation of a process control system.
Describe the working of analog and digital phase detectors with suitable
diagrams.
What are the factors influencing the selection of a transducer?
With neat diagram explain the working of a LVDT transducer, give any one
application of LVDT.
Describe any two methods used for the measurement of linear and torsional
displacement.

Explain the working of hot wire anemometer.

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Duration: 3 Hours

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