A randomized 25 question test from a pool of 636 questions, good luck!
In spectroscopic analysis, the use of an electrically heated wire will produce which of the types of radiation below?
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?
There are two main groups of detectors for both types of NDIR analyzers. Which of the answers below would be considered the most sensitive single beam NDIR analyzer detector?
As carrier gas is a component of the mobile phase, a _________ flow of gas is required. Choose the best answer from those provided below.
Which of the terms below is best defined as the uneven partial charge of various atoms in a compound?
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 ion sources below is generally considered to be a continuous emission sources?
Some analyzers are more sensitive to concentrations that others. If you were going to measure concentrations in flue gas, which level of measurement would be used?
Which of the injection valves below is best described as a valve, when coupled with an electric actuator, becomes automated?
IR analyzers analyze a sample with the use of wavelengths. Which of the answers below best represents the type of wavelength that is produced by a NDIR?
There are many sources of pollution, but they all can be brought under a couple of large categories. Which of the answers below can be described as human activity adding pollution to the environment?
Particulate measurements are categorized into three broad groups. Which of the groups below would represent the size of particulate that could enter the lungs?
Which of the answers below is best defined as a column that serves to remove the impurities and suspended solids from reaching the main column.
Electromagnetic radiation that has ____ frequency and a_______ wavelength is considered to be a high enery wave. Choose the best answer below to fill in both blanks.
In spectroscopic analysis, which of the components of a photometer below converts an electrical signal into a quantitative information of the sample?
Some of the NO-NO₂-NOᵪ chemiluminescent analyzer components need special consideration in certain applications. Which of the answers below would be best explain the need to cool the detector for ppb ambient air applications?
Which of the EM radiation regions below is generally used for spectroscopic analyzers working with laboratory samples?
There are several parts to any IR analyzer. In the diagram below, which answer represents the letter "F"
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?
Which of the answers below is best represented by the number "9"?
In the continuous emission spectrum, what is the primary cause of the wavelengths getting shorter?
There are several vital components to a typical NO-NO₂-NOᵪ chemiluminescent analyzer. Which of the answers below correctly identifies how the ozonator produces the O₃ required for this analyzer?
Chemiluminescence relies on a chemical reaction for measurements. Which of the answers below is the correct order for this reaction?
There are several analyzers that involve chemical reactions. which one of the answers below is best described as an analyzer that uses chemical reactions to produce light energy?
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?