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MCQs

Total Questions : 2015 | Page 8 of 202 pages
Question 71. Select the correct statement.
  1.    A contour is not necessarily a closed curve.
  2.    A contour represents a ridge line if the concave side of lower value con¬tour lies towards the higher value contour.
  3.    Two contours of different elevations do not cross each other except in case of an overhanging cliff.
  4.    All of the above statements are correct.
 Discuss Question
Answer: Option C. -> Two contours of different elevations do not cross each other except in case of an overhanging cliff.
Question 72. Select the correct statement.
  1.    Contour interval on any map is kept constant.
  2.    Direct method of contouring is cheap¬er than indirect method.
  3.    Inter-visibility of points on a contour map cannot be ascertained.
  4.    Slope of a hill cannot be determined with the help of contours.
 Discuss Question
Answer: Option A. -> Contour interval on any map is kept constant.
Question 73. Select the incorrect statement.
  1.    The true meridians at different places are parallel to each other.
  2.    The true meridian at any place is not variable.
  3.    The true meridians converge to a point in northern and southern hemispheres.
  4.    The maps prepared by national survey departments of any country are based on true meridians.
 Discuss Question
Answer: Option A. -> The true meridians at different places are parallel to each other.
Question 74. If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is
  1.    99.345 m
  2.    100.345 m
  3.    100.655 m
  4.    101.870 m
 Discuss Question
Answer: Option A. -> 99.345 m
Question 75. Dumpy level is most suitable when
  1.    the instrument is to be shifted frequently
  2.    fly levelling is being done over long distance
  3.    many readings are to be taken from a single setting of the instrument
  4.    all of the above
 Discuss Question
Answer: Option C. -> many readings are to be taken from a single setting of the instrument
Question 76. The angle between the direction of star and the direction of earth's axis of rotation is called
  1.    Co-declination
  2.    Co-latitude
  3.    Declination
  4.    Latitude
 Discuss Question
Answer: Option A. -> Co-declination
Question 77. Pick up the correct statement from the following:
  1.    If the applied tension to the tape is more than the standard, the tension correction is positive
  2.    If the applied tension to the tape is less than the standard, the tension correction is negative
  3.    If the temperature during measurement is greater than the standard temperature, the temperature correction is positive
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 78. For a well-conditioned triangle, no angle should be less than
  1.    20°
  2.    30°
  3.    45°
  4.    60°
 Discuss Question
Answer: Option B. -> 30°
Question 79. Pick up the incorrect statement from the following:
  1.    In truly vertical photographs without relief angles are true at the plumb point
  2.    In tilted photographs without relief, angles are true at the iso-centre
  3.    In tilled photographs with relief, angles are true at the principal point
  4.    None of these
 Discuss Question
Answer: Option C. -> In tilled photographs with relief, angles are true at the principal point
Question 80. The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as
  1.    Ground principal point
  2.    Ground plumb point
  3.    Iso-centre
  4.    Perspective centre
 Discuss Question
Answer: Option B. -> Ground plumb point

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