1.14.2.1. Prismatic Compass

Try these first

1. 1.

   What is a prismatic compass primarily used for?

   Hint

   Think about its purpose in navigation.

2. 2.

   Name one component of a prismatic compass.

   Hint

   This is where the observer looks through.

3. 3.

   What is the main function of a prismatic compass?

   • To measure areas
   • To measure angles
   • To measure distances

   Hint

   Think about what angles the compass helps create during surveys.

4. 4.

   True or False: The graduated ring of a prismatic compass measures from 0° to 360°.

   • True
   • False

   Hint

   Recall the markings on the compass.

5. 5.

   Consider you have to measure a large parcel of land with a prismatic compass. Describe the procedure and potential challenges you might face with examples.

   Hint

   What external factors could disrupt compass readings?

6. 6.

   Evaluate a situation where a surveyor misreads a bearing due to environmental conditions. What could be done to mitigate such errors in practice?

   Hint

   How might lighting and environmental aspects affect sighting and reading?