811352 - ANALYTICAL INSTRUMENTS
B.E./8.Tech.DEGREEEXAMINATION.APRIL/IVIAY2008.
Sixth Semester
(Regulation 2004)
Electronics and Instrumentation Engineering
811352 - ANALYTICAL INSTRUMENTS
(Commonto Instrumentation and Control Engineering)
Time : Three hours
Maximum : 100 marks
Answer ALL questions.
PART A - (10 x2 = 20 marks)
1. What is rneant by transmittance?
2. What is absorption spectrum?
3. Define Column Chromatography.
4. Name any four detectorsused in Liquid Chromatography.
5. Define Thermal conductivity.
6. Name any two methods to estimate Nitrogen-oxidespresent in air.
7. What is meant by bio-sensor?
8. Define pH value of solution.
9. List any two applicationsof X-ray spectroscopy.
10. Name any four solid state detectorsused in spectroscopy.
PARTB-(5x16=80marks)
11. (a)
(b)
12. (a)
(b)
13. (a)
With neat sketch, explain the principle, construction and working of
FTIR spectrophotometer.
Or
With necessarydiagram, describethe principle construction and working
of U-V spectrophotometer.
With neat instrumentation arrangement, explain the working of HPLC
(High PressureLiquid Chromatography).
Or
With necessary diagram, explain the concept of thin layer chromatography and also write its applications.
With neat diagram, describe the.'construction and working principle of paramagnetic oxygen analyzer.
Or
L4,
(b) (i)
(ii)
(a) (i)
(ii)
Device a method to estimate the amount of hydrocarbons present in air with neat instrumentation setup. (8)
With necessarydiagram, explain the working of dust meter' (8) With a schematic diagram, explain the working principle of
dissolvedoxygen analyzer. (8)
Explain the working principle of sodium analyzer with neat diagram. (8)
(b)
15. (a)
Or
Explain how pH is measured using glass electrodewith suitable diagram.
(16)
Explain the construction and working principle of NMR spectrometer with neat diagram. (16)
(b)
Or
With neat sketch, explain the following detectors
(i) GM counter
(ii) Proportionalcounter. (16)
Sixth Semester
(Regulation 2004)
Electronics and Instrumentation Engineering
811352 - ANALYTICAL INSTRUMENTS
(Commonto Instrumentation and Control Engineering)
Time : Three hours
Maximum : 100 marks
Answer ALL questions.
PART A - (10 x2 = 20 marks)
1. What is rneant by transmittance?
2. What is absorption spectrum?
3. Define Column Chromatography.
4. Name any four detectorsused in Liquid Chromatography.
5. Define Thermal conductivity.
6. Name any two methods to estimate Nitrogen-oxidespresent in air.
7. What is meant by bio-sensor?
8. Define pH value of solution.
9. List any two applicationsof X-ray spectroscopy.
10. Name any four solid state detectorsused in spectroscopy.
PARTB-(5x16=80marks)
11. (a)
(b)
12. (a)
(b)
13. (a)
With neat sketch, explain the principle, construction and working of
FTIR spectrophotometer.
Or
With necessarydiagram, describethe principle construction and working
of U-V spectrophotometer.
With neat instrumentation arrangement, explain the working of HPLC
(High PressureLiquid Chromatography).
Or
With necessary diagram, explain the concept of thin layer chromatography and also write its applications.
With neat diagram, describe the.'construction and working principle of paramagnetic oxygen analyzer.
Or
L4,
(b) (i)
(ii)
(a) (i)
(ii)
Device a method to estimate the amount of hydrocarbons present in air with neat instrumentation setup. (8)
With necessarydiagram, explain the working of dust meter' (8) With a schematic diagram, explain the working principle of
dissolvedoxygen analyzer. (8)
Explain the working principle of sodium analyzer with neat diagram. (8)
(b)
15. (a)
Or
Explain how pH is measured using glass electrodewith suitable diagram.
(16)
Explain the construction and working principle of NMR spectrometer with neat diagram. (16)
(b)
Or
With neat sketch, explain the following detectors
(i) GM counter
(ii) Proportionalcounter. (16)
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