A randomized 25 question test from a pool of 636 questions, good luck!
Which of the detectors below is best defined as the measuring of a light beams attenuation as it passes through a sample.
The sample injector takes _______ of liquid from the sample flow to place in the carrier gas flow. Choose the best answer from those provided below to fill in the blank.
Which of the mass spectrometers below is best described as having a current that is developed across a resistor proportionally to the output voltage of the detector?
In spectroscopic detection, there are several different types of detectors. Which of the detectors below has their electrical conductivity change in proportion to the radiations intensity?
Which of the spectroscopic spectrums is pictured below?
Chemiluminescence depends on chemical reactions to produce a measurement. Which of the reactants below would produce NO₂ + O₂ + light?
In spectroscopic detection, there are several different types of detectors. Which of the detectors below generates voltage from the conversion of heat?
Polarity is the defining factor in the two types of LLC. The solvent is ________ polar than the stationary phase in the normal phase LLC. Choose the best answer from those provided below to fill in the blank.
There are many ways to measure the contents of a sample. Which of the methods below could best be described as one that uses the absorption of high energy radiation to produce a lower energy radiation?
There are several parts to any IR analyzer. In the diagram below, which answer represents the letter "A"
A chemiluminescent analyzer can be used to measure stack gases. Which of the conditioning methods must be used in order to gain a proper measurement of stack gases?
In spectroscopic detection, The two electrodes that the phototube detector uses are the positively charged ________ and the negatively charged_______. Select the best answer from below to fill in both blanks.
There is a noticeable difference between absorbance and transmittance mathematically. Which of the answers below best describes this difference in mathematical terms?
There are two main groups of detectors for both types of NDIR analyzers. Which of the answers below would be considered a specific detector?
Which of the terms below is best described as containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it?
In mass spectrometry, which of the devices below ionize the residual neutral gases within the spectrometer to achieve it's measurement?
There are a variety of IR detectors that are used. Which of the analyzers below would use a differential detector?
Which of the mass spectrometers below is best described as the amount of positive ions that pass through the entrance which produce a proportional current that is amplified at the exit?
Which of the mass spectrometers below is best described as needing a single detector with the ability to detect any mass?
In mass spectrometry, a graph of the output of the detector compared to the m/z ratio is generally named which of the terms below?
There are several organizations that have parts of the overall environmental strategy. Which of the agencies below would oversee explicitly the transmission of oil, gas and electricity nationally?
In spectroscopy, when you are plotting wavelength versus intensity and a wave results, which of the spectrums below are you graphing?
The IR analyzer relies on a ratio of measured and reference wavelengths. If a single beam NDIR analyzer has a fouled sample cell window, which of the answers below reflects the effect on the analyzers ratio?
Which of the techniques below is best described as using atomic and molecular mass for measurement?
Which of the detectors below is best described as one that uses a filament to measure the concentration of a samples component?