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MCQs

Total Questions : 112 | Page 9 of 12 pages
Question 81. Which of the following is not an instrumental error?
  1.    error due to imperfect adjustment
  2.    error due to sluggish bubble
  3.    error due to movement of objective slide
  4.    settlement of tripod or turning points
 Discuss Question
Answer: Option D. -> settlement of tripod or turning points
Answer: (d).settlement of tripod or turning points
Question 82. Which of the following is a natural error?
  1.    error due to defective joint
  2.    rod not of standard length
  3.    variations in temperature
  4.    error due to sluggish bubble
 Discuss Question
Answer: Option C. -> variations in temperature
Answer: (c).variations in temperature
Question 83. The precision on plains will be less than that on hills.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 84. What is the error in feet for accurate levelling for principal benchmarks or for extensive surveys?
  1.    0.4×√M
  2.    0.1×√M
  3.    0.05×√M
  4.    0.017×√M
 Discuss Question
Answer: Option C. -> 0.05×√M
Answer: (c).0.05×√M
Question 85. The degree of precision depends upon the skill of an observer.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 86. What is the error in feet for ordinary levelling for location and construction surveys?
  1.    0.4×√M
  2.    0.1×√M
  3.    0.05×√M
  4.    0.017×√M
 Discuss Question
Answer: Option B. -> 0.1×√M
Answer: (b).0.1×√M
Question 87. What is the error in feet for rough levelling for reconnaissance or preliminary surveys?
  1.    0.4×√M
  2.    0.1×√M
  3.    0.05×√M
  4.    0.017×√M
 Discuss Question
Answer: Option A. -> 0.4×√M
Answer: (a).0.4×√M
Question 88. Horizontal plane through a point is a plane tangential to the level surface at that point.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 89. Which line is the tangential to the level line at a point?
  1.    Datum line
  2.    Vertical line
  3.    Horizontal line
  4.    Plumb line
 Discuss Question
Answer: Option C. -> Horizontal line
Answer: (c).Horizontal line
Question 90. Which term is used for the surface to which elevations are referred?
  1.    Level surface
  2.    Level line
  3.    Horizontal plane
  4.    Datum
 Discuss Question
Answer: Option D. -> Datum
Answer: (d).Datum

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