18-Geom-A2 Adjustment of Observations
Worked solutions to 3 past sittings (2014–2019), 21 questions. Pick a sitting, or start from a topic below.
Topics across the sittings
Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.
- Balancing (2 sittings): December 2019 Q6 · December 2018 Q5
- Closure (2 sittings): December 2019 Q6 · December 2018 Q5
- Latitudes (2 sittings): December 2019 Q6 · December 2018 Q5
- Traverse Departures (2 sittings): December 2019 Q6 · December 2018 Q5
Questions by sitting
December 2019
- Question 1: Weighted Least-Squares Adjustment of a Level Net
- Question 2: Weighted Adjustment of a Level Net with Four Fixed Benchmarks
- Question 3: Linearized Observation Equation for an Angle
- Question 4: Linearized Observation Equation for a Distance
- Question 5: Parametric Adjustment of a Six-Section Level Net
- Question 6: Traverse Departures, Latitudes, Closure and Balancing
- Question 7: Loop Levelling Adjusted by Number of Instrument Setups
December 2018
- Question 1: Weighted Least-Squares Adjustment of a Level Net
- Question 2: Weighted Adjustment of a Level Net with Four Fixed Benchmarks
- Question 3: Linearized Observation Equation for a Distance
- Question 4: Parametric Adjustment of a Six-Section Level Net
- Question 5: Traverse Departures, Latitudes, Closure and Balancing
- Question 6: Loop Levelling Adjusted by Number of Instrument Setups
- Question 7: Linearized Observation Equation for an Angle
May 2014
- Question 1: Weighted Least-Squares Adjustment of a Level Network
- Question 2: Weighted Adjustment of a Plane Triangle
- Question 3: Closed-Polygon Traverse — Compass-Rule Balancing
- Question 4: Closed Link (Connecting) Traverse
- Question 5: Best-Fit Parabola for a Vertical Curve
- Question 6: Weighted Adjustment of a Closed Level Network
- Question 7: Three-Dimensional Conformal Coordinate Transformation