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Q: In triangulation, the point at which astronomical observations for the azimuth and the longitude are made by use of Laplace equation is called __________.
  • A. base station
  • B. base line
  • C. subsidiary station (d)
  • D. Laplace station
Correct Answer: Option D - Laplace station–A laplace station is defined as a triangulation or traverse station at which a geodetic (laplace) azimuth is derived from an astronomic azimuth by use of the laplace equation. • A survey station is a prominent point on the chain line and can be either at the beginning of the chain line or at the end. Such station is known as main station. However, subsidiary or tie station can also be selected anywhere on the chain line and subsidiary or tie lines may be run through them.
D. Laplace station–A laplace station is defined as a triangulation or traverse station at which a geodetic (laplace) azimuth is derived from an astronomic azimuth by use of the laplace equation. • A survey station is a prominent point on the chain line and can be either at the beginning of the chain line or at the end. Such station is known as main station. However, subsidiary or tie station can also be selected anywhere on the chain line and subsidiary or tie lines may be run through them.

Explanations:

Laplace station–A laplace station is defined as a triangulation or traverse station at which a geodetic (laplace) azimuth is derived from an astronomic azimuth by use of the laplace equation. • A survey station is a prominent point on the chain line and can be either at the beginning of the chain line or at the end. Such station is known as main station. However, subsidiary or tie station can also be selected anywhere on the chain line and subsidiary or tie lines may be run through them.