Q. The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to

View solution

Q. Number of subdivisions per metre length of a levelling staff is

View solution

Q. A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is

View solution

Q. Pick up the correct statement from the following :

View solution

Q. Prolongation of chain line across an obstruction in chain surveying, is done by

View solution

Q. Check lines (or proof lines) in Chain Surveying, are essentially required

View solution

Q. While measuring the distance between two points along upgrade with the help of a 20 m chain, the forward end of the chain is shifted forward through a distance

View solution

Q. Subtense tacheometry is generally preferred to if ground is

View solution

Q. For high sensivity of the bubble tube

View solution

Q. Short offsets are measured with

View solution

Q. The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known

View solution

Q. If a linear traverse follows a sharp curve round a large lake where it is difficult to have long legs, the accuracy of the traverse may be improved by

View solution

Q. Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

View solution

Q. Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by

View solution

Q. The approximate formula for radial or perpendicular offsets from the tangent, is

View solution

Q. The line of collimation method of reduction of levels, does not provide a check on

View solution

Q. The chaining on sloping ground is

View solution

Q. Profile levelling is usually done for determining

View solution

Q. For indirect ranging, number of ranging rods required, is

View solution

Q. Correction per chain length of 100 links along a slope having a rise of 1 unit in n horizontal units, is

View solution