Sail E0 Webinar

MCQs

Total Questions : 100 | Page 3 of 10 pages
Question 21. Which of the following is generally used as indicators in bridges in thermal conductivity analyzers?
  1.    Voltmeter
  2.    Ammeter
  3.    Galvanometer
  4.    Wattmeter
 Discuss Question
Answer: Option C. -> Galvanometer
Answer: (c).Galvanometer
Question 22. Which of the following is the relationship between the density of ideal gas and its molecular weight?
  1.    Directly proportional
  2.    Inversely proportional
  3.    Linear
  4.    No relation
 Discuss Question
Answer: Option C. -> Linear
Answer: (c).Linear
Question 23. Changes in the composition of gas stream give rise to changes in thermal conductivity of the gas stream.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 24. Which of the following detectors are not used in analyzers based on gas density?
  1.    Hot wire
  2.    Platinum filament
  3.    Thermistor
  4.    Thermometer
 Discuss Question
Answer: Option D. -> Thermometer
Answer: (d).Thermometer
Question 25. Under which of the following conditions do all real gases behave as ideal gases to some extent?
  1.    Low temperature and low pressure
  2.    Low temperature and high pressure
  3.    High temperature and low pressure
  4.    Room temperature and normal pressure
 Discuss Question
Answer: Option D. -> Room temperature and normal pressure
Answer: (d).Room temperature and normal pressure
Question 26. Sample rates of nitrogen meter can be adjusted by doing which of the following?
  1.    By modifying the amplifier
  2.    With the help of the needle valve
  3.    By modifying the detector
  4.    By changing chopper frequency
 Discuss Question
Answer: Option B. -> With the help of the needle valve
Answer: (b).With the help of the needle valve
Question 27. In which of the following ways can nitrogen be calibrated for dry gases?
  1.    By modifying the amplifier
  2.    By adjusting the needle valve
  3.    By modifying the detector
  4.    By changing chopper frequency
 Discuss Question
Answer: Option B. -> By adjusting the needle valve
Answer: (b).By adjusting the needle valve
Question 28. Nitrogen meters are calibrated for which of the following to measure nitrogen?
  1.    Mixture of nitrogen and air
  2.    Water saturated mixture of nitrogen and oxygen
  3.    Mixture of nitrogen and hydrogen
  4.    Nitrogen
 Discuss Question
Answer: Option B. -> Water saturated mixture of nitrogen and oxygen
Answer: (b).Water saturated mixture of nitrogen and oxygen
Question 29. Why is nitrogen meters generally not calibrated for dry gases while measuring nitrogen?
  1.    It causes error
  2.    Range decreases
  3.    Reading tend to be non-linear
  4.    It cannot be measured
 Discuss Question
Answer: Option A. -> It causes error
Answer: (a).It causes error
Question 30. Which of the following is the normal sampling rate used in nitrogen meters?
  1.    13 ml/min
  2.    33 ml/min
  3.    3 ml/min
  4.    43 ml/min
 Discuss Question
Answer: Option C. -> 3 ml/min
Answer: (c).3 ml/min

Latest Videos

Latest Test Papers