Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411003 2 IV ester(R07)Regular s, ember/ember ANALYTICAL INSTRUMENTATION - Question Paper

Code :R7411003 2
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) De¯ne the term conductivitymetry.
(b) With neat sketch define the conductivity method for the measurement of SO2 in air
sample.
2. discuss the dissolved oxygen analyzer by Katharometer method.
3. (a) discuss with neat sketches photometric detector operation in liquid chromatography sys-
tem.
(b) discuss in detail °uorometric detector use in liquid chromatography.
4. (a) discuss the principle of operation of a paramagnetic oxygen analyzer.
(b) define in detail, how galvanic method can be used to determine oxygen concentration
of a gas.
5. provide principles and operation of spectrophotometer. discuss a typical UV/visible spectrometer
using double beam.
6. (a) discuss the importance of atomic spectroscopy.
(b) discuss brie°y absorption kind of ¯lter with a colorimetric setup.
7. Write short notes operation and merits, demerits of the subsequent instruments.
(a) Mass Spectrometer.
(b) NMR Spectrometer.
8. discuss the constructional details and operation of
(a) G.M. counter and
(b) Scintillation counter.

Earning:   Approval pending.