Success Chemistry Instrumentation Actual Exam 100%Verified
1. Which of the following lamps provides a A. Tungsten-filament
continuous spectrum of radiant energy in
the visible, near IR, and near UV regions of
the spectrum
A. Tungsten-filament
B. Hydrogen
C. Deuterium
D. Mercury vapor
2. Which isolates light within a narrow region B. Monochromator
of the spectrum?
A. Photomuliplier tube
B. Monochromator
C. Photovoltaic
D. Detector
Success Chemistry Instrumentation Actual Exam 100%Verified
, Success Chemistry Instrumentation Actual Exam 100%Verified
3. Which is not descriptive of a C. Cannot be used with a chopper
photomultiplier tube?
A. Emits election proportionally to initial
light absorbed
B. Must be shielded from stray light
C. Cannot be used with a chopper
D. Amplifies the initial signal received
4. Which of the following is false about a D. Is composed of an iron plate and a layer of selenium
photomultiplier tube?
A. converts radiant energy (light) to
electrical energy (current)
B. Amplifies the current significantly
C. Has a very rapid response time
D. Is composed of an iron plate and a layer
of selenium
5. Which type of photodetector employs a D. Photodiode array
linear arrangement that allows it to respond
to a specific wavelength resulting in
complete UV/Visible spectrum analysis?
A. Photomuliplier tube
B. Phototube
C. Barrier layer cell
D. Photodiode array
6. When performing spectrophotometer D. Wavelength accuracy
quality assurance checks, what is the
holmium oxide glass filter used to assess?
A. Linearity
B. Stray light
C. Absorbance accuracy
D. Wavelength accuracy
7. In spectrophotometric analysis, what is D. Corrrect for color contribution of the reagents
the purpose of the reagent blank?
A. Correction for interfering chromogens
B. Correct for lipemia
C. Correct for protein
D. Corrrect for color contribution of the
reagents
Success Chemistry Instrumentation Actual Exam 100%Verified
1. Which of the following lamps provides a A. Tungsten-filament
continuous spectrum of radiant energy in
the visible, near IR, and near UV regions of
the spectrum
A. Tungsten-filament
B. Hydrogen
C. Deuterium
D. Mercury vapor
2. Which isolates light within a narrow region B. Monochromator
of the spectrum?
A. Photomuliplier tube
B. Monochromator
C. Photovoltaic
D. Detector
Success Chemistry Instrumentation Actual Exam 100%Verified
, Success Chemistry Instrumentation Actual Exam 100%Verified
3. Which is not descriptive of a C. Cannot be used with a chopper
photomultiplier tube?
A. Emits election proportionally to initial
light absorbed
B. Must be shielded from stray light
C. Cannot be used with a chopper
D. Amplifies the initial signal received
4. Which of the following is false about a D. Is composed of an iron plate and a layer of selenium
photomultiplier tube?
A. converts radiant energy (light) to
electrical energy (current)
B. Amplifies the current significantly
C. Has a very rapid response time
D. Is composed of an iron plate and a layer
of selenium
5. Which type of photodetector employs a D. Photodiode array
linear arrangement that allows it to respond
to a specific wavelength resulting in
complete UV/Visible spectrum analysis?
A. Photomuliplier tube
B. Phototube
C. Barrier layer cell
D. Photodiode array
6. When performing spectrophotometer D. Wavelength accuracy
quality assurance checks, what is the
holmium oxide glass filter used to assess?
A. Linearity
B. Stray light
C. Absorbance accuracy
D. Wavelength accuracy
7. In spectrophotometric analysis, what is D. Corrrect for color contribution of the reagents
the purpose of the reagent blank?
A. Correction for interfering chromogens
B. Correct for lipemia
C. Correct for protein
D. Corrrect for color contribution of the
reagents
Success Chemistry Instrumentation Actual Exam 100%Verified
