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MCQs

Total Questions : 112 | Page 4 of 12 pages
Question 31. Which process of levelling in which the elevations of points are computed from the vertical angles and horizontal distances measured in the field?
  1.    Barometric levelling
  2.    Trigonometric levelling
  3.    Spirit levelling
  4.    Traverse levelling
 Discuss Question
Answer: Option B. -> Trigonometric levelling
Answer: (b).Trigonometric levelling
Question 32. Which of the following methods of levelling makes use of the phenomenon that difference in elevation between two points is proportional to the difference in atmospheric pressures at these points?
  1.    Barometric levelling
  2.    Trigonometric levelling
  3.    Spirit levelling
  4.    Traverse levelling
 Discuss Question
Answer: Option A. -> Barometric levelling
Answer: (a).Barometric levelling
Question 33. The eyepiece magnifies the cross hairs.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 34. The line of sight is also called _____
  1.    line of telescope
  2.    line of centre of axis
  3.    line of collimation
  4.    line of objective
 Discuss Question
Answer: Option C. -> line of collimation
Answer: (c).line of collimation
Question 35. What is the line which passes through the optical centres of objective and eye piece?
  1.    axis of the telescope
  2.    centre of axis line
  3.    line of collimation
  4.    line of objective
 Discuss Question
Answer: Option A. -> axis of the telescope
Answer: (a).axis of the telescope
Question 36. The focal length of an objective varies with eyepiece.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 37. The establishment of line of sight, therefore, involves the following two essential conditions, the real image must be formed in front of the eyepiece, the plane of the image must coincide with that of the cross hairs.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 38. The operation of forming or bringing the clear image of the object in the plane of cross hairs is known as ______
  1.    Centering
  2.    Adjusting
  3.    Parallax correcting
  4.    Focusing
 Discuss Question
Answer: Option D. -> Focusing
Answer: (d).Focusing
Question 39. The theory of direct levelling neglects _____
  1.    curvature of the earth
  2.    refraction
  3.    both curvature of earth and refraction
  4.    radius of the earth
 Discuss Question
Answer: Option C. -> both curvature of earth and refraction
Answer: (c).both curvature of earth and refraction
Question 40. Which of the following methods of spirit levelling is, levelling the object of which is solely to determine the difference in elevation of two points regardless of the horizontal position of the points with respect to each other?
  1.    Profile levelling
  2.    Cross levelling
  3.    Differential levelling
  4.    Reciprocal levelling
 Discuss Question
Answer: Option C. -> Differential levelling
Answer: (c).Differential levelling

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