A randomized 25 question test from a pool of 636 questions, good luck!
The rotary type of stream selector for a mass spectrometer is able to sample how many separate streams?
There are two main groups of detectors for both types of NDIR analyzers. Which of the answers below would be considered a pnuematic detector?
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 terms below is best described as the displacement of toxic or potentially harmful gasses by introducing an inert gas under pressure to replace it?
Which answer best represents the number "6"
Which of the mass spectrometers below is best described as one that has the capacity to detect specific ions by mass and the use of specific magnetic fields?
There are several typical types of HPLC columns. Which of the answers below represents a column that is not typical?
In spectroscopic analysis, which of the answers below is the unique component of a photometer excludes all wavelengths except for the one that is wanted?
There are several parts to any IR analyzer. In the diagram below, which answer represents the letter "C"
In spectroscopic analysis, which of the components of a photometer below encloses the continuous sample flow?
Particulate measurements are categorized into three broad groups. Which of the groups below would represent a measurement of 90 micrometers?
There are several parts to any IR analyzer. In the diagram below, which answer represents the letter "K"
Which of the mass spectrometers below is best described as needing a single detector with the ability to detect any mass?
There are several parts specific to each IR analyzer. In the DIR drawing below, which answer represents the rotating chopper?
There are several parts to any IR analyzer. In the diagram below, which answer represents the letter "D"
Which of the terms below is best described as the area where the reduction of pressure, when the instrument starts, to apporoximately 0.1 mmHg takes place in a mass spectrometer?
Some analyzers are more sensitive to concentrations that others. If you were going to measure concentrations in stack gases, which level of measurement would be used?
UV radiation can be dangerous when exposed to for any length of time. Which of the answers below can control the exposure to the UV radiation?
Which filter below is best described as installed in a high velocity loop at an appropriate sample point?
There are several parts specific to each IR analyzer. In the DIR drawing below, which answer represents the reference cell?
Which of the compounds below would be detected in an FPD? Choose the best answer from the ones provided below.
IR analyzers are divided into two broad categories. Which of the answers below best represents the type of analysis that is produced by a DIR?
In spectroscopic analysis, the use of an electrically heated wire will produce which of the types of radiation below?
In mass spectrometry, which of the devices below uses conduction and variations in temperature to achieve it's measurement?
Which of the injection valves below is best described as a valve, when coupled with an electric actuator, becomes automated?