If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is________________?

Related Mcqs:

1. If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to_______________?

   A. d
   B. 1/d
   C. d2
   D. 1/d2

2. If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be_______________?

   A. true R.L
   B. more than true R.L
   C. less than true R.L
   D. none of the above

3. For a tacheometer the additive and multi-plying constants are respectively________________?

   A. 0 and 100
   B. 100 and 0
   C. 0 and 0
   D. 100 and 100

4. The process of turning the telescope about the vertical axis in horizontal plane is known as______________?

   A. transiting
   B. reversing
   C. plunging
   D. swinging

5. The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be_______________?

   A. equidistant from A and B
   B. closer to the higher station
   C. closer to the lower station
   D. as far as possible from the line AB

6. The horizontal angle between the true meridian and magnetic meridian at a place is called______________?

   A. azimuth
   B. declination
   C. local attraction
   D. magnetic bearing

7. The difference between a level line and a horizontal line is that_______________?

   A. level line is a curved line while hori-zontal line is a straight line
   B. level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line
   C. horizontal line is normal to plumb line while level line may not be normal to the plumb line
   D. both are same

8. 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_________________?

   A. 99.345 m
   B. 100.345 m
   C. 100.655m
   D. 101.870m

9. The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called_________________?

   A. radiation
   B. intersection
   C. resection
   D. traversing

10. After fixing the plane table to the tripod, the main operations which are needed at each plane table station are ______________ ?

    1. levelling
    2. orientation
    3. centering
    The correct sequence of these operations is

    A. (1), (2),(3)
    B. (1), (3), (2)
    C. (3), (1), (2)
    D. (2), (3), (1)