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Which of the following is not use in Total station equipment?
Memory Card
Battery
Alided
Serial Cable
Alided
An alidade (or alided) is a sight rule used in plane table surveying for establishing line of sight and drawing rays. It is a traditional optical or mechanical instrument and is not a part of modern Total Station equipment.
An alidade (or alided) is a sight rule used in plane table surveying for establishing line of sight and drawing rays. It is a traditional optical or mechanical instrument and is not a part of modern Total Station equipment.
D=SтЛЕcos(╬╕) тАФ Horizontal distance (D) from slope distance (S) and vertical angle (╬╕)
╬ФH=SтЛЕsin(╬╕) тАФ Vertical height difference (╬ФH)
A Total Station integrates an electronic transit theodolite with an Electronic Distance Meter (EDM) and an internal microprocessor. It measures horizontal/vertical angles and slope distances electronically, recording data directly onto memory storage rather than using mechanical sighting rules like an alidade.
Alidade is specifically used in Plane Table Surveying.
Total Station comprises Electronic Distance Measurement (EDM), Electronic Digital Theodolite, Microprocessor, and Power Source (Battery).
Data transmission in Total Stations uses Serial Cables, USB, or wireless modules.
High accuracy in angular and linear measurements
Fast automatic computation and internal data storage
High initial cost compared to conventional surveying equipment
Requires stable power source (batteries) to operate
Topographic surveying and boundary mapping
Cadastral surveying and civil infrastructure alignment
Option A (Memory Card): Used in total stations for saving measured coordinates and field observation data.
Option B (Battery): Essential power source for electronic components, microprocessors, and displays.
Option D (Serial Cable): Used for data transfer between Total Station and computer system.
C is correct тАФ An alidade is a component used in plane table surveying to sight objects and draw rays, not in Total Station equipment.
Remember that instruments associated with manual/graphical surveys (e.g., Alidade, Ranging Rod, Plumb Bob, Trough Compass) are distinct from modern electronic systems (Total Station, GPS, GNSS, Auto Level).