202. You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of
203. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for
204. If the whole circle bearing of a line is 180°, its reduced bearing is
205. The chord of a curve less than peg interval, is known as
206. Mistakes which may produce a very serious effect upon the final results arise due to
207. A well conditioned triangle has no angle less than
208. Contour lines of different elevations can unite to form one line, only in the case of
209. The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to
210. The smaller horizontal angle between the true meridian and a survey line, is known
211. The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as
212. For locating a distant object visible from two transit stations, the method usually preferred to, is
213. Accidental or compensating errors of length L are proportional to
214. Tacheometric formula for horizontal distances using horizontal sights can also suitable be employed for inclined sights through θ by multiplying
215. Number of subdivisions per metre length of a levelling staff is
216. SAN stands for................?
217. Prolongation of chain line across an obstruction in chain surveying, is done by
218. Check lines (or proof lines) in Chain Surveying, are essentially required
219. 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
220. Subtense tacheometry is generally preferred to if ground is
221. For high sensivity of the bubble tube
222. Short offsets are measured with
223. 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
224. There are two stations A and B. Which of the following statements is correct :