Chapter 17 - Multiple-Choice Questions 1) After ice sheets...

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Multiple-Choice Questions 1) After ice sheets and glaciers, __________ contains the next highest percentage of the Earth's freshwater. A) the atmosphere B) lakes and rivers C) groundwater D) rocks & minerals Answer: C Diff: 1 2) Which common, rock-forming mineral or mineral group is most readily dissolved by groundwater? A) calcite B) quartz C) feldspars D) clay minerals Answer: A Diff: 1 3) Which of the following is not a general characteristic of groundwater? A) constant temperature year round B) rarely contains dissolved constituents C) rarely contains suspended sediment D) supply is independent of short droughts Answer: B Diff: 1 4) A stream is said to be perennial and effluent when __________. A) the channel is above the local water table year round B) the local water table is above the channel bottom year round C) the channel bottom and the water table are constantly at the exact same level D) precipitation is such that the water table remains constant throughout the year Answer: B Diff: 1 5) The water table is __________. A) a boundary between unsaturated bedrock and an underground river B) a boundary between unsaturated bedrock below and saturated bedrock above C) an underground mass of partly saturated rock D) a boundary between saturated rock below and unsaturated rock above Answer: D Diff: 1 6) __________ controls the ease (or difficulty) of groundwater transmission through a porous material.
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A) Potability B) Portability C) Permeosity D) Permeability Answer: D Diff: 1 7) __________ are characteristics found in all good aquifers. A) High porosity and high permeability B) Low permeability and high potability C) High potability and high portability D) Low porosity and low permeability Answer: A Diff: 1 8) A perched water table develops when __________. A) a horizontal aquitard above the regional water table lies below an aquifer B) an aquifer above the regional water table is overlain by a horizontal aquitard C) an aquifer below the regional water table is underlain by a horizontal aquitard D) an aquitard below the regional water table lies above a horizontal aquifer Answer: A Diff: 1 9) An artesian well is one in which __________. A) the water is warm, fairly saline, and recharged by an affluent stream B) pressurized groundwater rises from a deep, unsaturated aquifer C) water rises above the top of the aquifer without any pumping D) the well is horizontal and the water table is perched Answer: C Diff: 1 10) Which one of the following statements is true for an artesian aquifer? A) The water table in the recharge area is at a higher elevation than the top of the aquifer in the subsurface. B) Upward flow from a permeable aquitard is prevented by a confining aquifer. C) The pressure at any point in the aquifer is considerably less than the weight of the
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This note was uploaded on 07/16/2009 for the course GEOL 100 taught by Professor Johntrib during the Spring '09 term at Maastricht.

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Chapter 17 - Multiple-Choice Questions 1) After ice sheets...

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