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H1081 Pages: 2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
EIGHTH SEMESTER B.TECH DEGREE EXAMINATION, MAY 2019

Course Code: EE404

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

PARTA

Answer all questions, each carries 5 marks.
Explain the factors that govern the output characteristics of a transducer.
Explain the concept of Nano instrumentation.
List any five important features of instrumentation amplifiers.
What are the advantages and disadvantages of MEMS?
Explain the selection criterion for control valves?
Define an industrial automation system and enlist its components.
Compare programmable logic controller with personal computer.

What are the key features of DCS?

PART ‏تا‎
‎Answer any two full questions, each carries 10 marks.
Explain the factors influencing the choice of a transducer for an industrial
instrumentation system
Draw and explain second order sensor time response
With the help of a diagram explain the working of an eddy current sensor.
Draw and explain the working of a capacitive differential pressure transducer.
Draw the block diagram representation of a process control system and explain
the functions of each block.
Explain the measurement of torque using strain gauges.
PART C
Answer any two full questions, each carries 10 marks.
Explain the importance of signal conditioning in industrial instrumentation

systems.
Explain the principle of operation of phase sensitive detector.
With the help of a diagram explain the principle of MEMS accelerometer.

Differentiate between bulk and surface micromachining.

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Duration: 3 Hours

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