A. midway between eye piece and objec¬tive lens
B. much closer to the eye-piece than to the objective lens
C. much closer to the objective lens than to the eye piece
D. anywhere between eye-piece and objective lens
Related Mcqs:
- Local attraction in compass surveying may exist due to________________?
A. incorrect levelling of the magnetic needle
B. loss of magnetism of the needle
C. friction of the needle at the pivot
D. presence of magnetic substances near the instrument - The type of surveying which requires least office work is________________?
A. tacheomefry
B. trigonometrical levelling
C. plane table surveying
D. theodolite surveying - Which of the following methods of plane table surveying is used to locate the position of an inaccessible point ?
A. radiation
B. intersection
C. traversing
D. resection - 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) - The process of turning the telescope about the vertical axis in horizontal plane is known as______________?
A. transiting
B. reversing
C. plunging
D. swinging - A telescope is said to be inverted if its______________?
A. vertical circle is to its right and the bubble of the telescope is down
B. vertical circle is to its right and the bubble of the telescope is up
C. vertical circle is to its left and the bubble of the telescope is down
D. vertical circle is to its left and the bubble of the telescope is up - In an internal focussing type of telescope, the lens provided is_______________?
A. concave
B. convex
C. plano-convex
D. plano-concave - 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) - 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 - 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
