HomeSURVEYING QuestionsThe angle of intersection of the two plane mirrors of an optical square is The angle of intersection of the two plane mirrors of an optical square isBy engineer / May 26, 2024 a) 30° b) 45° c) 60° d) 90° Ans: b If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is
The cross hairs in the surveying telescope are placed Leave a Comment / SURVEYING Questions / By engineer