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MCQs

Total Questions : 70 | Page 6 of 7 pages
Question 51. What is the percentage of the world lacking access to toilets?
  1.    23 %
  2.    35 %
  3.    42 %
  4.    56 %
 Discuss Question
Answer: Option B. -> 35 %
Answer: (b).35 %
Question 52. Corrosion is the deterioration of materials by chemical interaction with their environment.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 53. A loss in mechanical strength is due to ______
  1.    Chemicals
  2.    Reduction of metal thickness
  3.    Water flow
  4.    Water velocity
 Discuss Question
Answer: Option B. -> Reduction of metal thickness
Answer: (b).Reduction of metal thickness
Question 54. The corroding piece of metal is described as a “mixed electrode”.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 55. Which is the most widely used material in water conduits?
  1.    Steel
  2.    Aluminium
  3.    Copper
  4.    Nickel
 Discuss Question
Answer: Option A. -> Steel
Answer: (a).Steel
Question 56. Which of the following are a pneumatic means of signal transmission?
  1.    Cable
  2.    Indicator
  3.    Amplifier
  4.    Current
 Discuss Question
Answer: Option C. -> Amplifier
Answer: (c).Amplifier
Question 57. How many categories of process variables are present?
  1.    2
  2.    3
  3.    4
  4.    5
 Discuss Question
Answer: Option B. -> 3
Answer: (b).3
Question 58. Which of the following are a mechanical means of signal transmission?
  1.    Detector
  2.    Tone
  3.    Amplifier
  4.    Indicator
 Discuss Question
Answer: Option D. -> Indicator
Answer: (d).Indicator
Question 59. Which of the following is not a read out device?
  1.    Float
  2.    Computer screens
  3.    Indicators
  4.    Recorders
 Discuss Question
Answer: Option A. -> Float
Answer: (a).Float
Question 60. Tone is an electronic means of the signal transmission device.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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