Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411003 4 IV ester(R07)Regular s, ember/ember ANALYTICAL INSTRUMENTATION - Question Paper

Code :R7411003 4
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 the working principle of Beckman zeromatic pH meter, with diagrams.
(b) explain the temperature compensation for direct studying kind pH meter.
2. (a) discuss with neat sketch the dissolved oxygen electrode system.
(b) discuss the construction and operation of hydrogen gas electrode.
3. discuss in detail time of analysis of chromatography system?
4. define the principle of operation of infrared analyzer.
5. (a) discuss the advantages and disadvantages associated with single and double beam spec-
trophotometers.
(b) explain the requirement of chopper in spectrophotometer.
6. (a) discuss brie°y about °ame photometry.
(b) Brie°y explain about the detectors of °ame photometry.
7. With block diagram, discuss the operation and constructional details of NMR spectrophotome-
ter.
8. discuss the characteristics of ionization kind of detectors with necessary sketches and graphs.

Earning:   Approval pending.