Surveying Questions

• The operation of making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero, is known
• Pick up the correct statement from the following :
• A back sight
• The diaphragm of a stadia theodolite is fitted with two additional
• On a diagonal scale, it is possible to read up to
• Cross hairs in surveying telescopes, are fitted
• Pick up the correct specification of Ramsden eyepiece from the following :
• The systematic errors which persist and have regular effects in the performance of a survey operation, are due to
• A dumpy level is set up with its eye-piece vertically over a peg A. The height from the top of peg A to the centre of the eye-piece is 1.540 m and the reading on peg B is 0.705 m. The level is then setup over B. The height of the eye-piece above peg B is 1.490 m and a reading on A is 2.195 m. The difference in level between A and B is
• The area of a plane triangle ABC, having its base AC and perpendicular height h, is
• A relatively fixed point of known elevation above datum, is called
• Geodetic surveying is undertaken
• In levelling operation
• The conventional sign shown in below figure represents a
• A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at A and B were 1.22 and 1.06. With the level set up a A, the readings at A and B were 1.55 and 1.37. The collimation error per 100 m length of sight is
• Deviation of the actual road gradient from the proposed contou'r gradient up hill side, involves
• Pick up the correct statement from the following :
• The best method of interpolation of contours, is by
• A tape of length l and weight W kg/m is suspended at its ends with a pull of P kg, the sag correction is
• If the sight distance (S) is equal to the length of the vertical-curve (2l) joining two grades g1% and - g2%, the height of the apex will be