This set of Analytical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Components of Mass Spectrometer”. 1. Which of the following is not a component of mass spectrometer? a) Inlet system b) Sweep generator c) Ion transducer d) Mass analyser 2. Which of the following can be introduced into the ionization chamber directly? a) … Read more
This set of Analytical Instrumentation Multiple Choice Questions & Answers focuses on “Principle of Operation of Mass Spectrometer”. 1. Mass spectrometers are used to determine which of the following? a) Composition in sample b) Concentration of elements in sample c) Relative mass of atoms d) Properties of sample 2. Who invented mass spectrometers? a) J.J … Read more
This set of Analytical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Sensivity Enhancement for NMR Spectroscopy”. 1. Sensitivity is the ratio of peak signal amplitude to which of the following? a) Time b) Rms noise c) Average noise d) Peak-to-peak noise 2. Which of the following is not an operating technique for sensitivity … Read more
This set of Analytical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Fourier Transform NMR Spectroscopy”. 1. Fourier transform NMR spectrometer allows NMR transitions to be observed simultaneously. a) True b) False 2. Fourier transform NMR spectrometer has which of the following characteristics? a) Increased sensitivity, long time to obtain data b) Decreased sensitivity, … Read more
This set of Analytical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Continuous Wave NMR Spectroscopy”. 1. Which of the following components are used to separate the nuclear spin energy states? a) RF channels b) Magnet c) Sample probe d) Sweep generator 2. In frequency sweep method, which of the following parameters are varied … Read more
This set of Analytical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Types of NMR Spectrometers”. 1. Which of the following is not a type of NMR spectrometer? a) Minimal type b) Maximal type c) Multipurpose type d) Wideline type 2. Which of the following NMR spectrometers have stressed reliability and ease of operation? … Read more
This set of Analytical Instrumentation MCQs focuses on “Principle of Nuclear Magnetic Resonance Spectrometer”. 1. NMR spectroscopy is used for determining structure in which of the following materials? a) Radioactive materials b) Insoluble chemical compounds c) Liquids d) Gases 2. NMR is the study of the absorption of __________ by nuclei in a magnetic field. … Read more
This set of Analytical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Electron Probe Microanalyser”. 1. Which of the following is not a type of optics employed in electron probe microanalyser? a) Electron optics b) Light optics c) X-ray optics d) Gamma optics 2. The electron optics consists of an electron gun followed by … Read more
This set of Analytical Instrumentation Quiz focuses on “Total Reflection X-Ray Fluorescence Spectrometer”. 1. In total reflection X-ray fluorescence spectrometer, the specimen is excited by the primary X-ray beam at a grazing angle _______ the critical angle. a) Greater than b) Less than c) Equal to d) Which is a complement of 2. The x-ray … Read more
This set of Analytical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “X-Ray Fluorescent Spectrometer”. 1. Which of the following components of the X-ray fluorescent spectrometer induces fluorescent radiation? a) Excitation source b) Energy analyser c) X-ray spectrometer d) Detection System 2. Why is a mono-energetic radiation source required in X-ray fluorescent spectrometer? a) … Read more
