North Maharashtra University 2010 B.E Instrumentation Technology Jalgaon, T.E,Instrumentation - Question Paper

Seat No.___________

ANALYTICAL INSTRUMENTATION (New)


Time:3 Hours Max.Marks:100
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Istructions: 1)Do not write anything on ques. paper other than Seat No.
2)Answer any 2 subquestions from every unit.
3)Figures to the right indicate full marks.
4)Neat diagram must be drawn wherever nesessary.
5)Assume suitable data if necessary.
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UNIT-I


1. a)What is monochromator? List the componenets of a monohromatoar.state and
discuss performance characterstics of monochromator. [Marks10]

b)Explain with neat block diagram working of beam spectrometer.
what is double monocromatic system? [Marks10]


c)Explain with neat sketch working of FTIR spectrometer. [Marks10]




UNIT-II


2. a)what are basic componenets of flame photometer?Explain with neat
sketch.State interferences in flame photometry. [Marks10]



b)Explain the working of inductivity coupled plasma(ICP)and direct coupled plasma(dcp)
used in emmision spectroscopy. [Marks10]


c)State and discuss the principle of atomic absorption spectroscopy(AAS).
discuss with neat sketch working of holow cathode lamp. [Marks 10]




UNIT-III


3. a)Explain with neat sketch constructional details of NMR spectrometer. [Marks10]



b)Explain with neat sketch working of ratio fluriometer.list the factors affecting
the intensity of fluorescence. [Marks10]


c)Explain with neat sketch neat block diagaram constructional details of electron spin
resonanace(ESR)spectrometry. [Marks10]



UNIT-IV


4.a)Explain with neat block diagram working of gas chromatography mass spectrometer
(GCMS)system. [Marks10]


b)Give the list of surface spectroscopic techniques.
discuss secondary ion mass spectrometry
[Marks10]


c)Explain the working of ionisation chamber and scintillation counter. [Marks10]



UNIT-V


5.a)Explain the principle of temprature programming in gas chromatograph
what is dual column system. [Marks10]


b)Explain with neat sketch working of oxygen analyser. [Marks10]



c)Explain flame ionisation detector and thermal conductivity detector in gas
chromograph. [Marks10]

Earning:   Approval pending.