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Name
Reg No

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
07 THRISSUR CLUSTER
FIRST SEMESTER M.TECH. DEGREE EXAMINATION DEC 2017
Department: Chemical Engineering
Specialisation: Process Control
07CH 6107 Industrial Instrumentation
Time 3 hours Max.Marks: 60
Answer all six questions. Part of each question is compulsory.
Answer either part or part of each question
Q.no. Module 1 Marks
1a Explain the dynamic performance characteristics of instruments. 4
Answer b or c
b What are the applications of instrumentations. Explain the functional elements
of measuring instruments.
5
c What are the errors occurring in the measurement. 5
Q.no. Module 2 Marks
2a Explain in details the various instruments to measure pressure using electrical
properties change.
4
Answer b or c
b Explain in detail the low pressure measurement using McLeod guauge . 5
c Explain any two methods to measure high pressure. 5
Q.no. Module 3 Marks
3a Explain the laws of thermoelectricity. 4
Answer b or c
b Explain the working of thermocouples, and two type of thermocouples and
their applications.
5
c Explain in detail the temperature measuring units which utilize the expansion
of materials to measure it.
5
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Q.no. Module 4 Marks
4a What are Area flow meters, give example. 4
Answer b or c
b Discuss about liquid level measurement in open vessel using bubbler system. 5
c Explain the principle and working of electromagnetic flow meter. 5
Q.no. Module 5 Marks
5a Discuss the principle, working and applications of the strain gauges. 5
Answer b or c
b How thermal method used for measurement of moisture? Explain. 7
c
Explain humidity measurement using industrial dew point apparatus.
7
Q.no. Module 6 Marks
6a Explain the principle of ionization smoke detector. 5
Answer b or c
b Explain in detail the working of a gas chromatograph. 7
c Explain in detail about thermal conductivity method for flue gas analysis 7