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MCQs

Total Questions : 174 | Page 9 of 18 pages
Question 81. The difference between a measurement and the true value of the quantity measured is _____
  1.    True error
  2.    Discrepancy
  3.    Limit of error
  4.    Accuracy
 Discuss Question
Answer: Option A. -> True error
Answer: (a).True error
Question 82. The difference between the two measured values of the same quantity is ______
  1.    Precision
  2.    Accuracy
  3.    Discrepancy
  4.    Error
 Discuss Question
Answer: Option C. -> Discrepancy
Answer: (c).Discrepancy
Question 83. Investigation of observations of various types shows that accidental errors follow a definite law. This law is called ______
  1.    Law of probability
  2.    Law of recurrence
  3.    Law of precise
  4.    Law of accuracy
 Discuss Question
Answer: Option A. -> Law of probability
Answer: (a).Law of probability
Question 84. A tape may be too long or an angle measuring instrument may be out of adjustment. Then such type of error comes under which source of error?
  1.    Instrumental
  2.    Personal
  3.    Natural
  4.    Artificial
 Discuss Question
Answer: Option A. -> Instrumental
Answer: (a).Instrumental
Question 85. Which of the following are not sources of errors?
  1.    Instrumental
  2.    Personal
  3.    Natural
  4.    Artificial
 Discuss Question
Answer: Option D. -> Artificial
Answer: (d).Artificial
Question 86. Which cross staff consists of two pairs of vertical slits giving two lines of sights at right angles to each other?
  1.    Open cross staff
  2.    French cross staff
  3.    Adjustable cross staff
  4.    In all types
 Discuss Question
Answer: Option A. -> Open cross staff
Answer: (a).Open cross staff
Question 87. How many number of arrows are required for chain surveying?
  1.    10
  2.    5
  3.    15
  4.    20
 Discuss Question
Answer: Option A. -> 10
Answer: (a).10
Question 88. What can be used in conjunction with a datum rod into the base of the instrument?
  1.    Cross staff
  2.    Open cross staff
  3.    Optical square
  4.    Site square
 Discuss Question
Answer: Option D. -> Site square
Answer: (d).Site square
Question 89. Which cross staff consists of a hollow octagonal box?
  1.    Open cross staff
  2.    French cross staff
  3.    Adjustable cross staff
  4.    Optical square
 Discuss Question
Answer: Option B. -> French cross staff
Answer: (b).French cross staff
Question 90. Which of the following contains two plane mirrors or two right angles isosceles prisms placed one above the other?
  1.    Prism square
  2.    Line ranger
  3.    French staff
  4.    Optical square
 Discuss Question
Answer: Option B. -> Line ranger
Answer: (b).Line ranger

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