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.Management Sciences
Category: Surveying
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
Three point problem can be solved by_________________?
A. Tracing paper method
B. Bessels method
C. Lehman’s method
D. all of the above
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
The horizontal angle between the true meridian and magnetic meridian at a place is called______________?
A. azimuth
B. declination
C. local attraction
D. magnetic bearing
An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as__________________?
A. contour line
B. horizontal equivalent
C. contour interval
D. contour gradient
Benchmark is established by________________?
A. hypsometry
B. barometric levelling
C. spirit levelling
D. trigonometrical levelling
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
In an internal focussing type of telescope, the lens provided is_______________?
A. concave
B. convex
C. plano-convex
D. plano-concave
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
If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will_________________?
A. increase
B. decrease
C. not change
D. either ‘a’ or ‘b’
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