The obstacle, which obstructs vision but not chanining, is a

Related MCQs

• The obstacle, which obstructs chaining but not vision, is a
• The building is an example of obstacle in which chaining and vision are both obstructed.
• Which of the following type of levelling is necessary across a river ravine or any obstacle requiring a long site between two points?
• When it is possible to chain round the obstacle, i.e a pond, hedge etc. This case comes under which among the three kinds of obstacles to chaining?
• A scale which has a common representative fraction, but read in different measures, is called a
• An optical square is used for the same purpose as the cross-staff, but it is more accurate.
• Which of the following is not used in measuring perpendicular offsets ?
• Which of the following is not the function of levelling head ?
• Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?
• Which of the following is not among the methods of linear measurements?