Subtense bar is an instrument used for _______________?

Related Mcqs:

1. Cross staff is an instrument used for________________?

   A. measuring approximate horizontal angles
   B. setting out right angles
   C. measuring bearings of the lines
   D. none of the above

2. 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

3. 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

4. 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)
   D. both (2) and (3)

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 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

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

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

8. If the length of a chain is found to be short on testing, it can be adjusted by______________?

   A. straightening the links
   B. removing one or more small circular rings
   C. closing the joints of the rings if opened out
   D. all of the above

9. A’level line’is a______________?

   A. horizontal line
   B. line parallel to the mean spheriodal surface of earth
   C. line passing through the center of cross hairs and the center of eye piece
   D. line passing through the objective lens and the eye-piece of a dumpy or tilting level

10. The size of a plane table is________________?

    A. 750 mm x 900 mm
    B. 600 mm x 750 mm
    C. 450 mm x 600 mm
    D. 300 mm x 450 mm