Cross staff is an instrument used for________________?

Related Mcqs:

1. The adjustment of horizontal cross hair is required particularly when the instrument is used for_____________?

   A. leveling B. prolonging a straight line C. measurement of horizontal angles D. all of the above...

2. 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________________?

   A. 7.5 m B. 25 m C. 50 D. 75 m...

3. Which of the following angles can be set out with the help of French cross staff?

   A. 45° only B. 90° only C. either 45° or 90° D. any angle...

4. In the cross-section method of indirect contouring, the spacing of cross-sections depends upon_____________?

   1. contour interval 2. scale of plan 3. characteristics of ground The correct answer is ? A. only (1) B. (1) and (2) C. (2) and (3) D. (1), (2) and (3)...

5. Intersection method of detailed plotting is most suitable for________________?

   A. forests B. urban areas C. hilly areas D. plains...

6. Theodolite is an instrument used for_________________?

   A. tightening the capstan-headed nuts of level tube B. measurement of horizontal angles only C. measurement of vertical angles only D. measurement of both horizontal and vertical angles...

7. If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to_________________?

   1. altitude bubble on index frame 2. altitude bubble on index frame if it is to be used as a level 3. altitude bubble on telescope 4. altitude bubble on telescope if it is to be used as a level The correct answer is? A. only (1) B. both (1) and (4) C. only (3)...

8. 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...

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. The instrument used for accurate centering in plane table survey is________________?

    A. spirit level B. alidade C. plumbing fork D. trough compass...