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Posted By: naveeth kumar.R Member Level: Bronze Posted Date: 24 May 2008
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2008 Anna University B.E Electronic Instrumentation and Control EI 1352 analytical instruments april/may 2008 Question paper
T 3270
B.E/B.tech Degree Examination,April/May 2008
Sixth semester
(Regulation 2004)
Electronics and instrumentation engg
EI 1352-ANALYTICAL INSTRUMENTS
(common to ICE)
Part A:
1.What is meant by transmittance.
2. What is absorption spectrum.
3. Define coloumn chromatography
4.Name any four detectors used in liquid chromatography.
5. Define thermal conductivity
6.Name any two methods to estimate Nitrogen-oxides present in air
7.what is meant by bio-sensor
8.Define PH value of solution
9. List any two appilications of X-ray spectroscopy
10. Name any four solid state detectors used in spectroscopy
PART-B(5*16=80)
11(a) with neat sketch, explain the principle, construction and working
Of FTIR spectrophotometer.
Or
(b) with necessary diagram,describe the principle construction and working
Of U-V spectrophotometer.
12(a) with neat instrumentation arrangement.explain the working of HPLC
Or
(b) with necessary diagram, explain the concept of thin layer chromatography
and also write its appilications.
13(a) with neat diagram,describe the construction and working principle of
paramagnetic oxygen analyzer.
Or
(b) i Device a method to estimate the amount of hydrocarbons present in
air with neat instrumentation setup.
ii. with necessary dig explain the working of dust meter.
14(a) i. with a schematic dig explain the working principle of dissolved oxygen analyzer
ii. Explain the working principle of sodium analyzer with neat dig.
Or
(b) Explain how pH is measured using glass electrode with suitable dig.
15(a) Explain the construction and working principle of NMR spectrometer
with neat dig.
Or
(b) with neat sketch, explain the following detectors
(i) GM counter
(ii) Proportional counter
Submitted by
R.Naveeth kumar
EIE Dept
KLN college of engg
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