The Working Edge Of Alidade Is Known As

By BYJU'S Exam Prep

Updated on: September 25th, 2023

The working edge of alidade is known as-

  1. Ebonite Edge
  2. Fiducial Edge
  3. Straight Edge
  4. Graduated Edge

Answer: B. Fiducial Edge

The working edge of alidade is known as fiducial edge.


An Alidade is a surveying instrument used in plane table surveying for sighting a point which needs to be located on a map.

  • One edge of the alidade is the fiducial edge or bevelled edge and the other one is the graduated edge.
  • Fiducial edge is known as working edge and graduated edge is used to draw line of sight on map.

☛ Related Questions:

Our Apps Playstore
SSC and Bank
Other Exams
GradeStack Learning Pvt. Ltd.Windsor IT Park, Tower - A, 2nd Floor, Sector 125, Noida, Uttar Pradesh 201303
Home Practice Test Series Premium