NivaarExam Prep

04-Geol-B10

Worked solutions to 3 past sittings (2016–2017), 30 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.

Questions by sitting

December 2017

  1. Question 1: Physical Property for the Gravity Method
  2. Question 2: Gravity Variation with Latitude
  3. Question 3: Planning and Executing a Magnetic Survey
  4. Question 4: Terrain Effects on the Bouguer Slab Correction — Hill and Valley
  5. Question 5: Principles of a Magnetometer — the Proton-Precession Instrument
  6. Question 6: Why Negative Gravity Anomalies Are Possible
  7. Question 7: Reduction to the Pole
  8. Question 8: Case History — Magnetic Methods for a Geotechnical Problem
  9. Question 9: Sun-Shaded (Sun-Angle) Images and Other Data Enhancement Methods
  10. Question 10: Non-Uniqueness in Potential Field Methods

May 2017

  1. Question 1: Physical Properties Sensed by Electrical and EM Methods, and Their Laboratory/Field Measurement
  2. Question 2: Geometric Arrays for Electrical Methods
  3. Question 3: Magnetotelluric Survey Instrumentation and Processing Software
  4. Question 4: Borehole Electrical and EM Surveys
  5. Question 5: Time-Domain IP vs. Time-Domain EM Waveforms
  6. Question 6: Self-Potential Survey Design and Interpretation
  7. Question 7: Spatial and Temporal Aliasing
  8. Question 8: Deriving the Wenner Apparent-Resistivity Formula
  9. Question 9: Frequency-Domain vs. Time-Domain Electromagnetic Equipment
  10. Question 10: Inversion Modelling

May 2016

  1. Question 1: Physical Properties in Gravity and Magnetic Methods
  2. Question 2: Potential Fields — Monopole and Dipole Sources
  3. Question 3: Planning and Executing a Ground Magnetic Survey
  4. Question 4: The Zero-Length-Spring Gravimeter — Principle, Reading, Drift and Calibration
  5. Question 5: Magnetometer Principles and Magnetic Gradiometry
  6. Question 6: Inclination/Declination Effects on Magnetic Anomalies
  7. Question 7: Enhancement and Display of Gridded Geophysical Data
  8. Question 8: Procedure for Interpreting a Large Region Using Gravity and Magnetic Data
  9. Question 9: The Fourier Transform in Gravity and Magnetic Processing
  10. Question 10: Forward versus Inverse Modelling of Potential-Field Data