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)
Related Mcqs:
- In direct method of contouring, the process of locating or identifying points lying on a contour is called_______________?
A. ranging
B. centring
C. horizontal control
D. vertical control - Direct method of contouring is_________________?
A. a quick method
B. adopted for large surveys only
C. most accurate method
D. suitable for hilly terrains - 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 - 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 cross hairs in the surveying telescope are placed_____________?
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 - 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 - The number of horizontal cross wires in a stadia diaphragm is ________________?
A. one
B. two
C. three
D. four - The allowable length of an offset depends upon the______________?
A. degree of accuracy required
B. method of setting out the perpendiculars and nature of ground
C. scale of plotting
D. all of the above - Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?
A. error due to eccentricity of verniers
B. error due to displacement of station signals
C. error due to wrong adjustment of line of collimation and trunnion axis
D. error due to inaccurate graduation - Intersection method of detailed plotting is most suitable for________________?
A. forests
B. urban areas
C. hilly areas
D. plains
