Question Paper: Analytical Instrumentation Question Paper - May 2015 - Instrumentation Engineering (Semester 6) - Mumbai University (MU)

Analytical Instrumentation - May 2015

MU Instrumentation Engineering (Semester 6)

Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Answer the following

1(a) Compare classical and Instrumental techniques of chemical analysis. 4 marks

1(b) Why is column temperature so critical in GC? 4 marks

1(c) List any 4 characteristics properties of Raman lines. 4 marks

1(d) State Beer-Lambert's law and justify it as a limiting law. 4 marks

1(e) Determine resonance frequency of protn in H°=140+2 G :
I=±1/2; μ=1.41 × 10-30 IG+ and h=6.626 × 10-34 J sec.
4 marks

2(a) With a neat diagram explain the working of Single beam UV-VIS Spectrometer. 4 marks

2(b) Explain in detail the concept of Fluorescence and Phosphorescence. State the factors that influence? Fluorescence. Also explain the working of Double beam Filter Fluorometer with neat diagram. 4 marks

3(a) Describe working and application of GM counter with neat diagram, 4 marks

3(b) Explain in detail working of Atomic Absorption Spectrometer with neat diagram. 4 marks

4(a) What is meant by Raman effect? Draw and explain the construction of Raman spectrometer with applications. 4 marks

4(b) Explain the working of Gas Chromatograph with neat diagram. Also state its application. 4 marks

5(a) Explain the basic working principle of Mass spectroscopy. Also with a neat diagram explain principle and working of Time of Flight Mass Spectrometer. 4 marks

5(b) Explain the concept of Nuclear Magnetic Resonance. With a neat diagram explain in brief NMR spectrometer. 4 marks

Write short notes on

6(a) Monichromators 4 marks

6(b) Chemical shift in NMR 4 marks

6(c) X-ray tube 4 marks

6(d) Oxygen analyzers 4 marks

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written 9 months ago by gravatar for kanikadajain kanikadajain0
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