31. What is the required setback for structures near a known active fault? 32. W
ID: 1867007 • Letter: 3
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31. What is the required setback for structures near a known active fault? 32. What are the three ways that rocks respond to stress? a. strike and dip b. oxidize, weather, fold c. displace, rotate, strain 33. Explain the difference between brittle and ductile deformation. 34. When is the best time (project timeline-wise) to include geology in the project development process? a. b. c. d. as soon as the basic layout and structures for the project have been planned out before the location of the project is finalized after the location of the project has been finalized when construction begins, so that the geologist can locate any hazards on site 35. What is the critical angle of repose? 36. What factors trigger slope failure? a, excess water b. too little water deforestation d. C. earthquakes e, all of the above 37, Which of the following can stabilize a slope? regrading a slope so that it exceeds the angle of repose b. a. reducing subsurface water preventing undercutting of the slope by diverting a river d. c. planting vegetation e. all except a 38. Is it possible for slope failures to reactivate? a, No b. Yes, but only when the toe is removed. C. Yes, any slope failure can reactivate d. Yes, but only once more 39. Which of the following describes a cinder cone eruption? a. quiet slow flows b. burst of pyroclastics, followed by lava flows c. pyroclastics only 40. What type of volcanoes are associated with subduction zones? Shield b. a, Strat Scoria/Cinder cone d. c. Flood Basalt e. Volcanic dome 41. Which type of volcano is the largest? a, cinder cone b. volcanic dome/plug dome c. shield volcano d. stra 42. Which type of volcano has the most dangerous eruptions? volcano a, stra b. shield volcano c. cinder cone d. volcanic dome/plug dome 43. A metamorphic aureole is produced by hydrothermal fluids chemically active fluids regional metamorphism contact metamorphism a, b. c. d.Explanation / Answer
Answer 31- 50-ft setback distance required
Answer 32- (c)- displace,rotate, strain
Answer 33- When a rock breaks, it is called brittle deformation and When rocks bend or flow, like clay, it is called ductile deformation.
Answer 34- (a)- as soon as the basic layout and structure for the project have been planned out
Answer 35- The angle of repose or the critical angle of repose, of a granular material is the steepest angle relative to the horizontal plane which a material can be piled without slumping or the surface material sliding.
Answer 36- (e)-all of the above
Answer 37- (e)-all except a
Answer 38- (a)- No
Answer 39- (b)- burst of pyroclastics,followed by lava flow
Answer 40- (b)- stratovokano/composite
Answer 41- (c)- shield volcano
Answer 42- (a)- stratovokano/composite volcano
Answer 43- (d)- contact metamorphism
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