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1 vote	957 views	2 answers	The accuracy of measurement in chain surveying, does not depend upon updated 9 years ago by Civil Engineer
0 votes	533 views	0 answers	If f1 and f2 are the distances from the optical centre of a convex lens of focal length f to conjugate two points P1 and P2 respectively, the following relationship holds good updated 9 years ago by Civil Engineer
1 vote	1260 views	2 answers	In chain surveying tie lines are primarily provided updated 9 years ago by Civil Engineer
1 vote	944 views	2 answers	The real image of an object formed by the objective, must lie updated 9 years ago by Civil Engineer
0 votes	648 views	0 answers	The real image of an object formed by the objective, must lie updated 9 years ago by Civil Engineer
1 vote	1134 views	2 answers	If S is the length of a subchord and R is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to updated 9 years ago by Civil Engineer
1 vote	1935 views	2 answers	The radius of curvature of the arc of the bubble tube is generally kept updated 9 years ago by Civil Engineer
1 vote	962 views	1 answer	The intercept of a staff updated 9 years ago by Civil Engineer
1 vote	1999 views	1 answer	An ideal vertical curve to join two gradients, is updated 9 years ago by Civil Engineer
1 vote	3830 views	2 answers	If h is the difference in level between end points separated by l, then the slope correction is . The second term may be neglected if the value of h in a 20 m distance is less than updated 9 years ago by Civil Engineer