Surveying Questions

• The line normal to the plumb line is known as
• Planimeter is used for measuring
• Resolving power of a telescope depends on
• The included angles of a theodolite traverse, are generally measured
• If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to
• In a perfect prismatic compass
• Under ordinary conditions, the precision of a theodolite traverse is affected by
• If the whole circle bearing of a line is 270°, its reduced bearing is
• Locating the position of a plane table station with reference to three known points, is known as
• The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as
• Number of links per metre length of a chain are
• If Δ is the angle of deflection of a simple curve of radius R, the distance between the mid-point of the curve and long chord, is
• The method generally preferred to for contouring an undulating area, is
• If the declination of the needle is 10° W
• The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is
• The conventional sign shown in below figure represents a
• For taking offsets with an optical square on the right hand side of the chain line, it is held
• While setting a plane table at a station it was found that the error in centering was 30 cm away from the ray of length 40 m drawn from the station. If the scale of the plan is 1 cm = 2 cm, the displacement of the end of the ray in plan from the true position will be
• The angle of intersection of a curve is the angle between
• If 50 m point of a 100 m tape is 50 cm off line, and 50 m sections are straight, an error is generated equal to