Geophysical - Study guides, Revision notes & Summaries

APSC 151- Geophysical Exploration | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

what does electrical resistivity surveying depend on ~ amount of groundwater and ions, dry rock has no conductance, this means that this method is good to track contaminants what does ground penetrating radar do ~ it uses electromagnetic energy to find boundaries of strata, the boundaries of strata have contrast in electrical properties What does electromagnetic surveying rely on ~ AC current coil makes a magnetic field which creates a second current in the ground which then has anoth...

CMP 305 Final Exam Questions and Revised Answers Soil Exploring Types - Answer-- Direct - Sem-direct - Geophysical Direct Soil Exploration types - Answer-- Test Pit - Split Barrel - Standard Penetration - Shelby Tube Test pit - Answer-- ADV: undisturbed sample, can see soil profile - DIS: limited to shallow excavation, safety Split Barrel and Standard Penetration - Answer-- Measures resistance to penetration - 2" Diameter hollow rod - l= 30" - Driven in by drop hammer ...

What is a natural hazard? - ANSWER-A natural hazard is an event that threatens both life and property What are the different types of natural hazards? - ANSWER-- geophysical - atmospheric - hydrological What is a geophysical hazard? - ANSWER-caused by the movement of tectonic plates What is an atmospheric hazard? - ANSWER-created by the process occurring in our atmosphere What is a hydrological hazard? - ANSWER-created by water bodies, mainly the ocean What is hazard perception? - ANS...

Primary aims of an SI correct answers 1. determine the stratigraphy of the site, i.e. the sequence and thickness of soil and rock layers and the lateral extent of strata as well as locate the natural ground water table 2.Obtain samples of soil/rock for laboratory testing to identify and classify the material and determine engineering parameters. 3.Carry out in-situ testing to assess the properties of the ground in-situ The cost of an SI is (0.1%-2%) proportion of total capital cost, howeve...

COSC Test with Complete Solutions Graded A+ Two overarching objectives of COSC and OSC - Answer-force preservation and readiness long term health and well being Crisis - Answer-an acute disruption of psychological homeostasis, where and individuals usual coping mechanisms fail, leading to distress and functional impairment. Crisis intervention - Answer-urgent and acute emotional "first aid" designed to stabilize and reduce symptoms of distress, to assist the person in crisis to retu...

PRACTICE EXAM FIREFIGHTER Questions With 100% Correct Answers Which of the following was not suggested for personnel protection with regard to dealing with the chemical in question? A. Keep upwind of the chemical. B. Wear self-contained breathing apparatus. C. Avoid bodily contact with the chemical. D. Any chemical that may inadvertently contact the body should be washed off with large amounts of alcohol. - answerD. Any chemical that may inadvertently contact the body should be washed o...

Name the 6 soil exploration methods correct answers -Geophysical Methods -Test pits -Hand Augers -Power Augers -Wash Boring -Rotary Rigs Name Geophysical Methods and their advantages and disadvantages correct answers Ground penetration radar, seismic surveys, etc. Advantage: inexpensive, tells groundwater, subsurface geology Disadvantage: no soil sample, mostly qualitative Test pit and its advantages and disadvantages correct answers Pit dug by hand or backhoe Advantage: cost-effec...

PRACTICE EXAM FIREFIGHTER Questions With 100% Correct Answers Which of the following was not suggested for personnel protection with regard to dealing with the chemical in question? A. Keep upwind of the chemical. B. Wear self-contained breathing apparatus. C. Avoid bodily contact with the chemical. D. Any chemical that may inadvertently contact the body should be washed off with large amounts of alcohol. - answerD. Any chemical that may inadvertently contact the body should be washed o...

Which of the following was not suggested for personnel protection with regard to dealing with the chemical in question? A. Keep upwind of the chemical. B. Wear self-contained breathing apparatus. C. Avoid bodily contact with the chemical. D. Any chemical that may inadvertently contact the body should be washed off with large amounts of alcohol. - D. Any chemical that may inadvertently contact the body should be washed off with large amounts of alcohol. If a container of ethylene...