A. radiation
B. traversing
C. resection
D. all of the above
Related Mcqs:
- Intersection method of detailed plotting is most suitable for________________?
A. forests
B. urban areas
C. hilly areas
D. plains - Size of a theodolite is specified by________________?
A. the length of telescope
B. the diameter of vertical circle
C. the diameter of lower plate
D. the diameter of upper plate - 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 - The sensitivity of a bubble tube can be increased by________________?
A. increasing the diameter of the tube
B. decreasing the length of bubble
C. increasing the viscosity of liquid
D. decreasing the radius of curvature of tube - Benchmark is established by________________?
A. hypsometry
B. barometric levelling
C. spirit levelling
D. trigonometrical levelling - 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 - 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 - 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 - With the rise of temperature, the sensitivity of a bubble tube______________?
A. decreases
B. increases
C. remains unaffected
D. none of the above - The two point problem and three point problem are methods of________________?
A. resection
B. orientation
C. traversing
D. resection and orientation
