A relatively fixed point of known elevation above datum; is called

  1. Home
  2. Back

Question:
A relatively fixed point of known elevation above datum; is called

1.bench mark

2.datum point

3.reduced level

4.reference point.

Posted Date:-2021-03-26 07:54:39

More MCQS Questions and answers

  1. Metric chains are generally available in
  2. On a diagonal scale; it is possible to read up to
  3. Orientation of a plane table by solving two point problem is only adopted when
  4. Pick up the correct specification of Ramsden eyepiece from the following :
  5. The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every
  6. A dumpy level was set up at the midpoint between two pegs A and B; 50 m apart and the staff readings at A and B were 1.22 and 1.06. With the level set up a A; the readings at A and B were 1.55 and 1.37. The collimation error per 100 m length of sight is
  7. A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m; the error is approximately equal to
  8. For setting out a simple curve; using two theodolites.
  9. In levelling operation
  10. In optical reading instruments
  11. The operation of making the algebraic sum of latitudes and departures of a closed traverse; each equal to zero; is known
  12. A back sight
  13. A dumpy level is set up with its eye-piece vertically over a peg A. The height from the top of peg A to the centre of the eye-piece is 1.540 m and the reading on peg B is 0.705 m. The level is then setup over B. The height of the eye-piece above peg B is 1.490 m and a reading on A is 2.195 m. The difference in level between A and B is
  14. A relatively fixed point of known elevation above datum; is called
  15. Centering error of a theodolite produces an error
  16. Cross hairs in surveying telescopes; are fitted
  17. Deviation of the actual road gradient from the proposed contou'r gradient up hill side; involves
  18. For a curve of radius 100 m and normal chord 10 m; the Rankine's deflection angle; is
  19. Geodetic surveying is undertaken
  20. If the angular measurements of a traverse are more precise than its linear measurements; balancing of the traverse; is done by
  21. If the rate of gain of radial acceleration is 0.3 m per sec3 and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway; is
  22. In levelling operation
  23. An ideal transition curve is
  24. Keeping the instrument height as 1 m; length of staff 4 m; the up gradient of the ground 1 in 10; the sight on the up slope must be less than
  25. Measuring with a 30 m chain; 0.01 m too short; introduces
  26. Pantagraph is used for
  27. Pick up the correct statement from the following :
  28. Pick up the correct statement from the following :
  29. Pick up the correct statement from the following :
  30. Plotting of inaccessible points on a plane table; is done by
  31. Setting out a curve by two theodolite method; involves
  32. The angle between two plane mirrors of optical square; is
  33. The best method of interpolation of contours; is by
  34. The branch of surveying in which both horizontal and vertical positions of a point; are determined by making instrumental observations; is known
  35. The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be
  36. The diaphragm of a stadia theodolite is fitted with two additional
  37. The latitude of a traverse leg is obtained by multiplying its length by
  38. The systematic errors which persist and have regular effects in the performance of a survey operation; are due to
  39. The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot; is known
  40. True meridian of different places
  41. Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value; state whether the line of sight AB
  42. When the bubble of the level tube of a level; remains central
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!