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MCQs

Total Questions : 2015 | Page 4 of 202 pages
Question 31. With the rise of temperature, the sensitivity of a bubble tube
  1.    decreases
  2.    increases
  3.    remains unaffected
  4.    none of the above
 Discuss Question
Answer: Option A. -> decreases
Question 32. Direct method of contouring is
  1.    a quick method
  2.    adopted for large surveys only
  3.    most accurate method
  4.    suitable for hilly terrains
 Discuss Question
Answer: Option C. -> most accurate method
Question 33. The correction applied to the measured base of length ‘L’ is
  1.    Tension = (P - Ps)L/AE
  2.    Sag = L³w²/24P² where w is the weight of tape/m
  3.    Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 34. The shortest distance between two places measured along the surface of the earth, is
  1.    Length of the equator between their longitudes
  2.    Length of the parallel between their longitudes
  3.    Length of the arc of the great circle passing through them
  4.    None of these
 Discuss Question
Answer: Option C. -> Length of the arc of the great circle passing through them
Question 35. Longitude of a place is the angular distance between the meridian of the place and
  1.    The standard meridian
  2.    The International Date Line
  3.    That of Greenwich
  4.    Both (A) and (C) of above
 Discuss Question
Answer: Option D. -> Both (A) and (C) of above
Question 36. If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is
  1.    30°
  2.    35°
  3.    30°
  4.    45°
 Discuss Question
Answer: Option C. -> 30°
Question 37. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is
  1.    80°
  2.    70°
  3.    60°
  4.    40°
 Discuss Question
Answer: Option D. -> 40°
Question 38. For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through
  1.    Isocenter
  2.    Plumb point
  3.    Principal point
  4.    None of these
 Discuss Question
Answer: Option A. -> Isocenter
Question 39. Triangulation surveys are carried out for locating
  1.    Control points for surveys of large areas
  2.    Control points for photogrammetric surveys
  3.    Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc.
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 40. If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to
  1.    1°
  2.    2°
  3.    3°
  4.    4°
 Discuss Question
Answer: Option C. -> 3°

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