EI2351 Modern Electronic Instrumentation B.E Model Question Paper : srmeaswari.ac.in

Name of the College : Easwari Engineering College
University : Anna University
Subject Code/Name : EI2351 — Modern Electronic Instrumentation
Dept : Electronics and Instrumentation Engineering
Degree : B.E
Year : APRIL/MAY 2011
Year/SEM: III/VI
Website : srmeaswari.ac.in
Document Type : Model Question Paper

Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/srmeaswari.ac.in/3316-sixthsem3.pdf

SRM Easwari Electronic Instrumentation Question Paper

(Common to Instrumentation and Control Engineering)
(Regulation 2008)
Time : Three hours

Related : Easwari Engineering College EI2352 Process Control B.E Model Question Paper : www.pdfquestion.in/3315.html

Maximum : 100 marks :
Answer ALL questions :
PART A — (10 × 2 = 20 marks)
1. Draw the current to voltage converter of a digital multimeter.
2. What is automatic ranging in digital instruments?
3. What is the use of aquadag in a CRO?
4. State the applications of an X-Y recorder.
5. What are the functions of a network layer?
6. What is the use of a serial interface converter?
7. Compare the virtual instruments with standard instruments.
8. How will you create a sub VI from a VI?
9. State the basic requirements of DAQ cards used in VI applications.
10. Name the DAQ modules used in serial communication.

PART B — (5 × 16 = 80 marks)
11. (a) With neat diagrams, explain the operation of any two types of digital voltmeters. (16)
Or
(b) (i) Give a detailed account of digital frequency meters. (10)
(ii) Explain the working of digital IC meter. (6)
12. (a) (i) Explain the operation of a storage CRO with necessary diagrams.(10)
(ii) Write a detailed note on date loggers. (6)
Or
(b) Give a detailed account of seven segment and dot matrix display. (16)
13. (a) Explain the different layers of OSI model and their functions in detail. (16)
Or
(b) Explain what do you mean by EIA 422 interface standard and enumerate its advantages over other interface standards. (16)
14. (a) Explain in detail about the architecture of virtual instruments with the block diagrams. (16)
Or
(b) What are the various VI programming techniques? Explain in detail. (16)
15. (a) (i) Explain the design of digital voltmeters with transducer inputs in detail. (10)
(ii) Discuss how DNQ modules with serial communication are used in VI applications. (6)
Or
(b) Design an ON/OFF controller for temperature control applications based on VI. (16)

Analytical Instruments

PART A — (10 × 2 = 20 marks)
1. State Beer-Lambert’s law.
2. What are the advantages of double beam spectrophotometer?
3. Define Thin Layer Chromatography.
4. What is meant by column packing in chromatography?
5. Write the principle of a smoke meter.
6. Mention the uses of IR analyzer.
7. What are called bio-sensors?
8. Give the principle of pH measurement.
9. What is the advantage of electron spin Resonance Spectroscopy?
10. Write down the principle of Mass Spectrometry.

PART B — (5 × 16 = 80 marks)
11. (a) With a schematic diagram, explain the Atomic absorption spectroscopy.
Or
(b) With a neat instrumentation setup, explain the visible spectrophotometer.
12. (a) (i) With the necessary diagram, explain the adsorption chromatography techniques. (12)
(ii) List the various detectors used for this purpose. (4)
Or
(b) (i) With a neat schematic diagram, discuss the separation principle of HPLC (High Pressure Liquid Chromatography). (12)
(ii) Enumerate the applications of HPLC. (4)
13. (a) (i) With a suitable diagram, explain the construction and working of oxygen analyzer. (10)
(ii) Discuss the method of analysis based on ionization of gases. (6)
Or
(b) (i) With necessary diagram, explain the working principle of thermal conductivity analyzer. (8)
(ii) With neat instrumentation setup, explain any one method to estimate sulphur-di-oxide present in air. (8)
14. (a) Discuss, how pH of a solution is measured using glass electrode and reference electrode with necessary diagrams. (16)
Or
(b) Explain the working principle of sodium analyzer and dissolved oxygen analyzer with neat diagram. (16)
15. (a) Describe, how various samples are analyzed using NMR spectrometer with neat sketch.
Or
(b) With neat sketch, explain the construction and working principle of mass spectrometer.

Industrial Instrumentation — I

PART A — (10 × 2 = 20 marks)
1. Mention any two types of load cell.
2. What are the applications of stroboscope?
3. What is LVDT?
4. Write the demerits of bridge type gas densitometer.
5. What are merits of elastic type pressure gauge?
6. What is calibration?
7. Explain RTD.
8. Mention the application of Thermistor.
9. State the laws of thermocouple.
10. Mention the differences between thermocouple and pyrometer.