Mistakes in Compass Traverse Work

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Questions and Answers

Which mistake in compass work involves interchanging the recording of azimuths from north and south?

  • Interchanging magnetic and true bearings (correct)
  • Failing to adjust observed traverse angles
  • Selecting a line for referencing arbitrary directions
  • Mixing clockwise and counterclockwise angles

In compass traverse, what does the latitude of a line indicate?

  • Positive if direction is East, negative if West
  • Distance from the starting point
  • Direction of the bearing
  • Positive if direction is North, negative if South (correct)

What does the departure of a line indicate in surveying?

  • The length of the line
  • Positive if direction is West, negative if East (correct)
  • The deviation from the true north
  • Positive if direction is South, negative if North

Which statement best describes the bearing of a line in compass work?

<p>Determines the direction based on latitude and departure (C)</p> Signup and view all the answers

What is a common mistake when selecting a line for referencing arbitrary directions?

<p>Difficulty in locating the line later (C)</p> Signup and view all the answers

What would happen if traverse angles are not adjusted before calculating bearing or azimuths?

<p>Results in incorrect bearing calculations (C)</p> Signup and view all the answers

What is the purpose of applying corrections in a compass traverse?

<p>To adjust for inaccuracies and improve the accuracy of latitude and departure calculations (C)</p> Signup and view all the answers

In surveying, what does the adjusted latitude signify?

<p>The corrected north-south component of a line (A)</p> Signup and view all the answers

What does an adjusted departure value in a compass traverse refer to?

<p>The corrected east-west component of a line (A)</p> Signup and view all the answers

How does a negative sign impact the latitude or departure values in a compass traverse?

<p>It reverses their direction (C)</p> Signup and view all the answers

What is the significance of the sum of latitudes and departures equating to zero in a traverse?

<p>It indicates closure and ensures the accuracy of the traverse calculations (C)</p> Signup and view all the answers

What does 'bearing of a line' refer to in surveying?

<p>The direction of a line relative to North, often measured clockwise from North (C)</p> Signup and view all the answers

What should be done if none of the lines in a traverse appears to be unaffected by local attraction?

<p>Pick the line with the least discrepancy between forward and back bearings. (D)</p> Signup and view all the answers

Which of the following is a mistake in compass work?

<p>Observing the reverse bearings or azimuths of lines in the traverse. (B)</p> Signup and view all the answers

What can cause errors in reading the magnetic needle during compass work?

<p>Local attraction. (C)</p> Signup and view all the answers

When taking a bearing near the cardinal points of the compass, what may lead to misreading the quadrant letters?

<p>Failing to change bearing letters. (B)</p> Signup and view all the answers

What is an important aspect when adjusting traverse angles?

<p>Considering latitude and departure. (D)</p> Signup and view all the answers

In compass traverse work, what should be done if the forward and back bearings of a line show a significant discrepancy?

<p>Choose the line that has the smallest discrepancy. (C)</p> Signup and view all the answers

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