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MCQs

Total Questions : 148 | Page 8 of 15 pages
Question 71. Which of the following is also known as X-ray photoelectron spectroscopy?
  1.    Auger electron spectroscopy
  2.    Electron impact spectroscopy
  3.    Electron spectroscopy for chemical analysis
  4.    Secondary ion mass spectroscopy
 Discuss Question
Answer: Option C. -> Electron spectroscopy for chemical analysis
Answer: (c).Electron spectroscopy for chemical analysis
Question 72. Which of the following methods use soft X-rays to eject electrons from inner shell orbitals?
  1.    Auger electron spectroscopy
  2.    Electron impact spectroscopy
  3.    Electron spectroscopy for chemical analysis
  4.    Secondary ion mass spectroscopy
 Discuss Question
Answer: Option C. -> Electron spectroscopy for chemical analysis
Answer: (c).Electron spectroscopy for chemical analysis
Question 73. Which of the following is the abbreviation of SIMS?
  1.    Secondary ion mass spectroscopy
  2.    Spectrum ionization mass spectroscopy
  3.    Scattering ions mass spectroscopy
  4.    Spectral ionization mass spectroscopy
 Discuss Question
Answer: Option A. -> Secondary ion mass spectroscopy
Answer: (a).Secondary ion mass spectroscopy
Question 74. Which of the following is the abbreviation of ESCA?
  1.    Electron scattering chemical analysis
  2.    Emission spectroscopy combination analysis
  3.    Electron spectroscopy for chemical analysis
  4.    Electron spectrum chemically analysed
 Discuss Question
Answer: Option C. -> Electron spectroscopy for chemical analysis
Answer: (c).Electron spectroscopy for chemical analysis
Question 75. Which of the following methods utilizes the emission of low energy electrons in a process?
  1.    Auger electron spectroscopy
  2.    Electron impact spectroscopy
  3.    Electron spectroscopy for chemical analysis
  4.    Secondary ion mass spectroscopy
 Discuss Question
Answer: Option A. -> Auger electron spectroscopy
Answer: (a).Auger electron spectroscopy
Question 76. Waveguides look like _________ cross-section pipes with dimensions of the order of the wavelength to be transmitted.
  1.    Triangular
  2.    Circular
  3.    Rectangular
  4.    Square
 Discuss Question
Answer: Option C. -> Rectangular
Answer: (c).Rectangular
Question 77. Microwaves are generated by __________ and the power level is adjusted with the ________
  1.    Triode, rectifier
  2.    Pentode, attenuator
  3.    Klystron tube, attenuator
  4.    Diode, rectifier
 Discuss Question
Answer: Option C. -> Klystron tube, attenuator
Answer: (c).Klystron tube, attenuator
Question 78. Microwave frequency can be tuned over a small range by adjusting the distance between which of the following?
  1.    Cathode and anode
  2.    Anode and the reflector
  3.    Cathode and the reflector
  4.    Cathode and grid
 Discuss Question
Answer: Option C. -> Cathode and the reflector
Answer: (c).Cathode and the reflector
Question 79. Klystron can generate power in which of the following ranges?
  1.    10 – 100 mW
  2.    10 – 200 mW
  3.    10 – 500 mW
  4.    100 – 400 mW
 Discuss Question
Answer: Option C. -> 10 – 500 mW
Answer: (c).10 – 500 mW
Question 80. Which of the following is also known as reflex oscillator?
  1.    Triode
  2.    Pentode
  3.    Special tube
  4.    Klystron tube
 Discuss Question
Answer: Option D. -> Klystron tube
Answer: (d).Klystron tube

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