Agate cap is fitted with a_________________?

Related Mcqs:

1. The angle of intersection of the two plane mirrors of an optical square is______________?

   A. 30°
   B. 45°
   C. 60°
   D. 90°

2. In the prismatic compass______________?

   A. the magnetic needle moves with the box
   B. the line of the sight does not move with the box
   C. the magnetic needle and graduated circle do not move with the box
   D. the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

3. 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

4. The error due to eccentricity of inner and outer axes can be eliminated by________________?

   A. reading both verniers and taking the mean of the two
   B. taking both face observations and taking the mean of the two
   C. double sighting
   D. taking mean of several readings distributed over different portions of the graduated circle

5. Which of the following errors can be neutralised by setting the level midway between the two stations ?

   A. error due to curvature only
   B. error due to refraction only
   C. error due to both curvature and re-fraction
   D. none of the above

6. Select the correct statement_______________?

   A. A contour is not necessarily a closed curve
   B. A contour represents a ridge line if the concave side of lower value con¬tour lies towards the higher value contour
   C. Two contours of different elevations do not cross each other except in case of an overhanging cliff
   D. All of the above statements are correct

7. Three point problem can be solved by_________________?

   A. Tracing paper method
   B. Bessels method
   C. Lehman’s method
   D. all of the above

8. The resection by two point problem as compared to three point problem_______________?

   A. gives more accurate problem
   B. takes less time
   C. requires more labour
   D. none of the above

9. Subtense bar is an instrument used for _______________?

   A. levelling
   B. measurement of horizontal distances in plane areas
   C. measurement of horizontal distances in undulated areas
   D. measurement of angles

10. 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