Sail E0 Webinar

MCQs

Total Questions : 136 | Page 3 of 14 pages
Question 21. Flame ionisation detector is also known as Katharometer.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 22. Thermionic emission detector used in gas chromatography is most sensitive to which of the following elements?
  1.    Nitrogen
  2.    Phosphorous
  3.    Halogen
  4.    Carbon
 Discuss Question
Answer: Option B. -> Phosphorous
Answer: (b).Phosphorous
Question 23. Which of the following detectors has a non-volatile bead of rubidium silicate placed above the flame tip?
  1.    Argon ionisation detector
  2.    Thermionic emission detector
  3.    Flame ionization detector
  4.    Electron capture detector
 Discuss Question
Answer: Option B. -> Thermionic emission detector
Answer: (b).Thermionic emission detector
Question 24. In which of the following detectors, the carrier gas is excited by a radioactive source and the atoms of carrier gas are excited to a metastable state?
  1.    Argon ionisation detector
  2.    Thermionic emission detector
  3.    Flame ionization detector
  4.    Electron capture detector
 Discuss Question
Answer: Option A. -> Argon ionisation detector
Answer: (a).Argon ionisation detector
Question 25. Which of the following is not used as a heating element in a Thermal conductivity detector?
  1.    Platinum
  2.    Gold
  3.    Graphite
  4.    Tungsten wire
 Discuss Question
Answer: Option C. -> Graphite
Answer: (c).Graphite
Question 26. Given below is the diagram of Ultraviolet detector used in liquid chromatography. Identify the unmarked component.Given Below Is The Diagram Of Ultraviolet Detector Used In L...
  1.    Collimator
  2.    Lens
  3.    Monochromator
  4.    Quartz window
 Discuss Question
Answer: Option D. -> Quartz window
Answer: (d).Quartz window
Question 27. Electron capture detector is much less susceptible to contamination when nickel is used instead of tritium.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 28. Gas-solid chromatography is based on which of the following processes?
  1.    Partition of the analyte between a gaseous mobile phase and a stationary liquid phase
  2.    Adsorption of gaseous substances on solid surface
  3.    Ion exchange
  4.    Large molecules cannot penetrate through the gel
 Discuss Question
Answer: Option B. -> Adsorption of gaseous substances on solid surface
Answer: (b).Adsorption of gaseous substances on solid surface
Question 29. Which of the following is not an advantage of gas-solid chromatography?
  1.    Increased column life
  2.    Can be used for separation of rare gases
  3.    Leads to semi-permanent retention of the analyte
  4.    Ability to retain some components that cannot be easily retained by other gas chromatography method
 Discuss Question
Answer: Option C. -> Leads to semi-permanent retention of the analyte
Answer: (c).Leads to semi-permanent retention of the analyte
Question 30. Which of the following components cannot be retained by gas-liquid columns but can be separated by using gas-solid chromatography?
  1.    Formaldehyde
  2.    Hydrogen sulphide
  3.    Benzene
  4.    Carbon dioxide
 Discuss Question
Answer: Option B. -> Hydrogen sulphide
Answer: (b).Hydrogen sulphide

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0