Absorption Instrumentation and Block Diagram Representation Online Exam Quiz
Absorption Instrumentation and Block Diagram Representation GK Quiz. Question and Answers related to Absorption Instrumentation and Block Diagram Representation. MCQ (Multiple Choice Questions with answers about Absorption Instrumentation and Block Diagram Representation
How can stability of radiation be achieved in incandescent or discharge source used in Absorption Spectroscopy?
A : Using filters
B : Using monochromators
C : Using slits
D : By controlling the source voltage
How does continuous wedge filter differ from normal interference filter used in absorption spectroscopy?
A : It permits continuous selection of different wavelength
B : It allows a narrow band of wavelengths to pass
C : It has two semi-transparent layers of silver
D : Space layer is made of a substance having low refractive index
In Automatic amino-acid analyzer, the sample containing ___ of each amino compound is introduced at the top of the ion exchange column.
A : 1 to 10 ?moles
B : 1 to 10 moles
C : 0.05 to 2 moles
D : 0.05 to 2 ?moles
To tolerate high operating temperatures, which of the following has to be done in incandescent or tungsten filament lamps?
A : Alloys must be used
B : Nitrogen be used instead of inert gas
C : Envelope is fabricated with quartz
D : Envelope is fabricated with copper
What is the drawback that occurs in using ion exchange chromatography on sulphonated polystyrene resin and colourimetry for amino-acid analysis?
A : Less accuracy
B : Low resolution
C : Inconvenient to handle many individual samples
D : Slow in operation
Which of the following amino-acids is measured at a wavelength of 440nm using photometric systems?
A : Proline
B : Alanine
C : Glutamine
D : Valine
Which of the following colour reagents are used in Resin column chromatography?
A : Marquis reagent
B : Benedict reagent
C : Ninhydrin
D : Nessler's reagent
Which of the following could be used as the layer of dielectric in interference filters used in Absorption Spectroscopy?
A : Graphite
B : MgF2
C : Fe
D : AgNO3
Which of the following is not a reason for laser not being generally used as a source of radiation for UV, Visible Spectroscopy?
A : High cost
B : Limited range of wavelength
C : Less intensity
D : Complex to work with
Which one of the following methods is the most suitable for amino-acid analysis?
A : Gas chromatography
B : Ion exchange chromatography
C : Paper electrophoresis
D : Resin column chromatography
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