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MCQs

Total Questions : 112 | Page 7 of 12 pages
Question 61. If the back sight and fore sight distances are balanced, the elevation between two points is equal to the difference between the rod readings taken to the two points and correction for curvature and refraction is necessary.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 62. If the staff reading at point A = ha and at a point B = hb. The correct staff reading should have been Ha and Hb, where Ha = ha – ha’ and Hb = hb – hb’ then the correction difference in elevation between A and B is given by ____________
  1.    ha – hb – ha’ + hb’
  2.    ha + hb + ha’ + hb’
  3.    Ha – Hb + ha’ – hb’
  4.    Ha + Hb
 Discuss Question
Answer: Option A. -> ha – hb – ha’ + hb’
Answer: (a).ha – hb – ha’ + hb’
Question 63. _______ is defined as a curved surface which at each point is perpendicular to the direction of gravity at the point.
  1.    Level surface
  2.    Level line
  3.    Horizontal plane
  4.    Datum
 Discuss Question
Answer: Option A. -> Level surface
Answer: (a).Level surface
Question 64. Which branch of surveying is used to find the elevations of given points with respect to given or assumed datum?
  1.    Levelling
  2.    Contouring
  3.    Traversing
  4.    Plane table surveying
 Discuss Question
Answer: Option A. -> Levelling
Answer: (a).Levelling
Question 65. Levelling is a branch of surveying objects of which is to establish points at a given elevation or at different elevations with respect to given or assumed datum.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 66. _______ is a line lying in a level surface.
  1.    Level line
  2.    Horizontal line
  3.    Datum line
  4.    Plumb line
 Discuss Question
Answer: Option A. -> Level line
Answer: (a).Level line
Question 67. Levelling deals with measurements in a ______
  1.    Horizontal plane
  2.    Inclined plane
  3.    Vertical plane
  4.    Both vertical and horizontal plane
 Discuss Question
Answer: Option C. -> Vertical plane
Answer: (c).Vertical plane
Question 68. Find the correction for curvature for a distance 2.48 km?
  1.    0.483 m
  2.    0.434 m
  3.    0.443 m
  4.    0. 403 m
 Discuss Question
Answer: Option A. -> 0.483 m
Answer: (a).0.483 m
Question 69. Find combined correction for curvature and refraction for 3400 m?
  1.    0.078 m
  2.    0.778 m
  3.    0.709 m
  4.    0.786 m
 Discuss Question
Answer: Option B. -> 0.778 m
Answer: (b).0.778 m
Question 70. Find correction for refraction for a distance of 2.48 km?
  1.    0.0066 m
  2.    0.0160 m
  3.    0.069 m
  4.    0.096 m
 Discuss Question
Answer: Option C. -> 0.069 m
Answer: (c).0.069 m

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