Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411003 3 IV ester(R07)Regular s, ember/ember ANALYTICAL INSTRUMENTATION - Question Paper

Code :R7411003 3
IV B.Tech I Semester(R07)Regular Examinations, November/December 2010
ANALYTICAL INSTRUMENTATION
(Electronics & Instrumentation Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
1. (a) discuss how output potential of pH electrode is related to pH value and also for H+ ion
concentration? provide related equations.
(b) How the potential of pH electrode modifications with temperature?
(c) Write about reference electrodes for pH measurement.
2. (a) With block diagram discuss any 1 kind of sodium analyzer.
(b) Write short notes on clinical sodium analyzer.
3. (a) discuss with diagrams Helium Ionization detector us in gas chromatography.
(b) Distinguish liquid chromatography vs. gas chromatography?
4. Compare and list merits and demerits of non-dispersive infrared analyzer over gas chromatog-
raphy in carbon monoxide estimation.
5. provide principles and operation of IR spectrophotometer. define different sources and detectors
used IR spectrophotometer.
6. Brie°y discuss about the atomic emission and absorption spectroscopy.
7. (a) Write the range of radio frequency(RF). explain the working principle of radio frequency
mass spectrometer.
(b) Point out di®erences ranging from RF mass spectrometer and other kinds of mass spectrometer.
8. (a) define different radiation detectors used for measuring the radio activity?
(b) discuss the principle and working of any 1 radiation detector.

Earning:   Approval pending.