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MCQs

Total Questions : 133 | Page 2 of 14 pages
Question 11. The system for measurement of ion intensity in GS-MS system consists of which of the following?
  1.    Electrometer
  2.    Ion meter
  3.    Ion transducer
  4.    Intensity meter
 Discuss Question
Answer: Option A. -> Electrometer
Answer: (a).Electrometer
Question 12. Introduction of total HPLC effluent into MS is feasible.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 13. The system for measurement of ion intensity in GS-MS system consists of which of the following?
  1.    Band pass amplifier
  2.    Narrow band amplifier
  3.    Wide band amplifier
  4.    Low pass amplifier
 Discuss Question
Answer: Option C. -> Wide band amplifier
Answer: (c).Wide band amplifier
Question 14. The gas burden from conventional LC flow rates creates nearly _____ times more gas than cryo-pumped vacuum system can handle.
  1.    5
  2.    10
  3.    20
  4.    40
 Discuss Question
Answer: Option C. -> 20
Answer: (c).20
Question 15. Which of the following should be in a position to split the effluent?
  1.    Interface
  2.    Ion source
  3.    Makeup gas
  4.    Microbore
 Discuss Question
Answer: Option A. -> Interface
Answer: (a).Interface
Question 16. Which of the following probes are used for the introduction of the sample?
  1.    Silica
  2.    Quartz
  3.    Graphite
  4.    Silver
 Discuss Question
Answer: Option A. -> Silica
Answer: (a).Silica
Question 17. Which of the following is not a type of ion detector used in mass spectrometers?
  1.    Electron multiplier
  2.    Flame emission detector
  3.    Faraday cup collector
  4.    Photographic plates
 Discuss Question
Answer: Option B. -> Flame emission detector
Answer: (b).Flame emission detector
Question 18. Mass analyser is similar to which of the following in optical spectrometer?
  1.    Source
  2.    Monochromator
  3.    Detector
  4.    Sample
 Discuss Question
Answer: Option B. -> Monochromator
Answer: (b).Monochromator
Question 19. Which of the following is not one of the types of mass analyser?
  1.    Magnetic sector analyser
  2.    Frequency sweep analyser
  3.    Double focussing spectrometer
  4.    Time of flight analyser
 Discuss Question
Answer: Option B. -> Frequency sweep analyser
Answer: (b).Frequency sweep analyser
Question 20. Which of the following is not a type of ionisation?
  1.    Field ionisation
  2.    Spontaneous ionisation
  3.    Spark ionisation
  4.    Chemical ionisation
 Discuss Question
Answer: Option B. -> Spontaneous ionisation
Answer: (b).Spontaneous ionisation

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