Surveying and Levelling MCQ Questions and Answers Quiz

21. The two point problem and three point problem are methods of

  1. Resection
  2. Orientation
  3. Traversing
  4. Resection and orientation

22. The length of a traverse leg may be obtained by multiplying the latitude and

  1. Secant of its reduced bearing
  2. Sine of its reduced bearing
  3. Cosine of its reduced bearing
  4. Tangent of its reduced bearing

23. The line of sight is kept as high above ground surface as possible to minimise the error in theobserved angles due to

  1. Shimmering
  2. Horizontal refraction
  3. Vertical refraction
  4. Both shimmering and horizontal refraction

24. Chain surveying is well adopted for

  1. Small areas in open ground
  2. Small areas with crowded details
  3. Large areas with simple details
  4. Large areas with difficult details

25. The chord of a curve less than peg interval, is known as

  1. Small chord
  2. Sub-chord
  3. Normal chord
  4. Short chord

26. In levelling operation,

  1. The first sight on any change point is a back sight
  2. The second sight on any change point is a fore sight
  3. The line commences with a fore sight and closes with a back sight
  4. The line commences with a back sight and closes with a foresight

27. Contour interval is

  1. The vertical distance between two consecutive contours
  2. The horizontal distance between two consecutive contours
  3. The vertical distance between two points on same contour
  4. The horizontal distance between two points on same contour

28. To avoid large centering error with very short legs, observations are generally made

  1. To chain pins
  2. By using optical system for centering the theodolite
  3. To a target fixed on theodolite tripod on which theodolite may be fitted easily
  4. All the above

29. Check lines (or proof lines) in Chain Surveying, are essentially required

  1. To plot the chain lines
  2. To plot the offsets
  3. To indicate the accuracy of the survey work
  4. To increase the out-turn

30. Ramsden eye-piece consists of

  1. Two convex lenses short distance apart
  2. Two concave lenses short distance apart
  3. One convex lens and one concave lens short distance apart
  4. Two Plano-convex lenses short distance apart, with the convex surfaces facing each other

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Surveying and Levelling Question and Answer

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