45. Well A has a hydraulic head of 18 meters. Well B has a hydraulic head of 14

Question

45. Well A has a hydraulic head of 18 meters. Well B has a hydraulic head of 14 meters. Which one will produce a greater amount of pressure? Well A a. b. c. d. Well B They are equivalent with respect to pressure Hydraulic head ha s nothing to do with pressure. 46. A rock's ability to transmit fluid is referred to as a. Permeability b. Porosity Capillary fringe a. Water table 47. The law of superposition states that volcanic rocks are always younger than the rocks around them. a. True b. False 48. A rock layer that slows the flow of water between aquifers is called a. An aquiclude b. An aquifer c. An impermeable layer d. An aquitard 49. The largest mass extinction was a. The Great Devonian extinction b. The Cretaceous-Tertiary extinction, 65 million years ago C. The Permian-Triassic extinction, 250 million years ago d. The current extinction that man is causing. 50. Referring to the three stream profiles, which one will have the greatest velocity? a. A b. B c C d. They will all have the same velocity

Explanation / Answer

ANswer 45: Well A

Explanation: Height of water column( Hydraulic head) is directly proportional to pressure so more the Hydraulic head more is the pressure.

Answer 46: Permeability

Explanation: permeability is a measure of how much pores or voids are interconnected so that water can flow from one void to another void.

Answer 47: False

Explanation: it may be possible that volcanic rock may be buried by some other sedimentary rock so not true. However, they are not buried it means they are younger only in this condition this law hold for them.

Answer 48: Aquitard

Explanation: Aquitard slows the flow but doesn't stop it completely unlike Aquiclude.

Answer 49 C

Answer 50 : A since least surface area in contact with flowing water and it means least friction so fast flow.

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