127. If Δ is the angle of deflection of the curve, T1 and T2 are its points of tangencies, the angle between the tangent at T1 and long chord T1 T2 will be
128. If a tacheometer is fitted with an anal-latic lens
129. Volume of the earth work may be calculated by
130. Which one of the following mistakes/errors may be cumulative + or - :
131. The orthographical projection of a traverse leg upon the reference meridian, is known as
132. The whole circle bearing of a line is 290°. Its reduced bearing is
133. The reduced bearing of a line is N 87° W. Its whole circle bearing is
134. Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as
135. If d is the distance between equidistant odd ordinates, the Simpson's rule for the areas, is
136. A round worm that enters man's body through the soles of the feet is?
137. Which of the following introduces an error of about 1 in 1000 if 20 m chain is used
138. Bangladesh emerged as a free nation in the year .........?
139. The total change in level along the line is equal to total back sights
140. ABCD is a rectangular plot of land. If the bearing of the side AB is 75°, the bearing of DC is
141. Grid lines are parallel to
142. Total latitude of a point is positive if it lies
143. In levelling operation,
144. The apparent error on reversal is
145. Magnetic declination at any place
146. Systematic errors are those errors
147. If L is in kilometres, the curvature correction is
148. With usual notations, the expression
represents
149. An angle of deflection right, may be directly obtained by setting the instrument to read
150. The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is