Which of the following statements is correct about measurement of the vertical angle while using a total station?

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SSC JE Civil 06 Jun 2024 Shift 3 Official Paper - 1
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  1. It is measured from the instrument north in the horizontal plane. 
  2. It is usually measured as a zenith angle. 
  3. It is measured relative to the horizontal direction. 
  4. An electronic digital theodolite is not able to measure the vertical angle. 

Answer (Detailed Solution Below)

Option 2 : It is usually measured as a zenith angle. 
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Detailed Solution

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Measurement of Vertical Angle using a Total Station:

  • It is usually measured as a zenith angle.

Details:

  • The vertical angle in a total station is typically measured from the zenith, which is the point directly above the observer.
  • This method of measurement allows for accurate determination of slope distances and height differences between points.
  • Total stations are equipped with electronic digital theodolites capable of measuring both horizontal and vertical angles with high precision.
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