Recently, MTBE has been detected in the WTP’s influent water. Which of the following gas stations may be a possible source of contamination?

Q: The water level elevation in METERS ABOVE SEA LEVEL (masl) in BH1 is 1200masl, while that in BH2 is…

A: given- BH1 elevation=1200 maslBH2 elevation=1220 masldistance between boreholes d=15 mwidth B=3…

Q: A field pumping test was conducted from an aquifer of sandy soil of 4 m thickness confined between…

A:

Q: The flow through the aquifer can also be calculated from the equation

A: Q=-T *dh/dx=qx  Where  T= Transmisibility h= head  X= distance between two points q = Discharge per…

Q: A tube-well of 20 cm of diameter fully penetrate a horizontal, homogeneous and isotropic confined…

A:

Q: The water table in an unconfined aquifer was at 10m below ground level. The bottom of this…

A: Transmissibility, T = KH  K - hydraulic conductivity H - aquifer thickness of water bearing material…

Q: The soil has cross sectional area of flow of 1 ft2 and a hydraulic conductivity of 1.45 x 104…

A: Given data- Cross-sectional area A = 1 ft2, Hydraulic conductivity K=1.45×10-4 ft/s, Head difference…

Q: A permeability pumping test was carried out in a confined aquifer with the piezometric level before…

A:

Q: An earth dam has conductivity kx = 4.5×10-8 m/s and ky = 1.6×10-8 m/s in the vertical and horizontal…

A: Given Data  Kx = 4.5 × 10-8 m/s  Ky = 1.6 × 10-8 m/s  No. of flow channels (Nf) = 4  No. of…

Q: A well of 0.4 m diameter fully penetrates a 25-m-thick confined aquifer of coefficient of…

A: Diameter of well = 0.4 m  ⇒Radius of well ,rw = 0.2 m B = 25 m K = 12 m/day R = 1000 m H0 = 80 m Hw…

Q: A confined aquifer has a thickness of 30 m and is fully penetrated by well   where the aquifer is…

A: The thickness of the aquifer(b) =30 m.The diameter of the well is 20 cm.The pumped rate of the…

Q: 4.2.2 A confined aquifer of 10-m thickness and 16.43 m/day hydraulic conductivity is fully…

A:

Q: 2) Consider a confined aquifer 20 m thick and 2000 m wide. Two wells 1000 m apart are located in the…

A: Confined aquifer The thickness of the aquifer = 20m The distance between the two wells, L = 1000m…

Q: .Hydraulic jump occurs in a 4 m wide rectangular channel. Discharge in channel 7.5 m^3 /s, hydraulic…

A: Hydraulic jump : It is a sudden rise in level of water due to any shock or sudden discharge near…

Q: 27 m thick. Determine permeability A tube well of 15 cm diameter penetrates fully an artesian…

A: Given- Diameter of tube well d=15 cm=0.15 mRadius of influence R=200 mIt is neede to find the…

Q: unconfined aquifer which is 33.2 m thick. The drawdown at the pumping well is 1.34 m and the…

A: According to given data  A 0.34 m diameter well fully penetrates an unconfined aquifer which is 33.2…

Q: An unconfined aquifer known to be 32 m thick below the water table. A constant discharge of 2 cubic…

A:

Q: Water flows through a fully confined sand aquifer with a piezometric head gradient of 0.025. (a)  If…

A: Given   head gradient = hydraulic gradient  i=0.025and hydraulic conductivity   K=1.72 m/dayporosity…

Q: A stratified aquifer has a total thickness of 30 m and is made up of three layers. The top layer has…

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Q: b. An aquifer with a potentiometric surface is 50 m thick and 500 m wide. Two observation wells are…

A: Calculate total flow of water and velocity between two wells

Q: From the figure shows an unconfined non homogeneous aquifer between two water bodies at depth of 50…

A: Given data:- Depth of water bodies, h1 = 50 m h2 = 45 m Diagram is given;

Q: Please answer with complete solution and Fbd. A field sample of an unconfined aquifer is packed in a…

A: Given data, Length  L = 60 cm  Diameter d = 8 cm = 0.08 m Head difference dh = -18.5 cm Time period…

Q: Assume a chemical solvent, which is denser than water is spilled into the reservoir. How many days…

A: Given:- The thickness of the silty sand stratum = 3.2 m  The hydraulic conductivity of the stratum =…

Q: Calculate the water discharge through two aquifers that have similar dimensions (30 m thick, 1.5 km…

A: The problem is asking us to calculate the water discharge through two aquifers with similar…

Q: A confined aquifer is 18.5 m thick. The hydraulic head drops 2.99 m between two wells that are 823 m…

A:

Q: A permeability pumping test was carried out in a confined aquifer with the piezometric level before…

A: Given- The permeability pumping test was carried out in a confined aquifer with the piezometric…

Q: A 3.2 meter thick silty sand stratum intersects one side of a reservoir. The stratum has a hydraulic…

A:

Q: A fully penetrating well with diameter of 0.25 m is bored into an unconfined aquifer with hydraulic…

A: Unconfined aquifer Diameter of well (dw) = 0.25m Hydraulic conductivity (k) = 22 m/d porosity (n) =…

Q: An unconfined aquifer (L1=15m, k 1=1x10-3 cm/s) lies above a confined aquifer(L2=10m, k 2=5x10 -5…

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Q: Given the coefficient k =0.05 m/s and porosity p = 48%, find the transmissibility (T) in m/s per…

A: Given: The coefficient of permeability is 0.05 m/sec. The porosity is 48%. The width of the aquifer…

Q: A confined aquifer has a thickness of 30m (m) and is fully penetrated by well where the aquifer is…

A: The thickness of the aquifer(b) =30 m.The pumped rate of the aquifer (q) = 500 liter/sec =0.5m3/sThe…

Q: An uncontined aquifer of(1000)m length having a(k) value of (0.7)m/d is subjected to two sources,the…

A: total length of aquifer L=1000 mpermeability k=0.7 m/dayHead available At entry of water =60 mHead…

Q: Considering the water balance equation, which processes are an input of water into the aquifer? A.…

A:

Q: An earth dam has conductivity kx = 4.5×10-8 m/s and ky = 1.6x10-8 m/s in the vertical and horizontal…

A: Given: An earth dam has conductivity in vertical and horizontal direction, kx=4.5×10-8 msky=1.6×10-8…

Q: A 3.2 meter thick silty sand stratum intersects one side of a reservoir. The stratum has a hydraulic…

A:

Q: A confined aquifer 12.0m thick has a piezometric surface 25.0 m above the bottom confining layer.…

A: The drawdown in pumping well can be found out by using the following relationship:…

Q: Which of the following are characteristics of an unconfined aquifer. Select all that apply. Pore…

A: Given: Unconfined aquifer.

Groundwater Flow

The term groundwater refers to the water which is found beneath the earth's surface. Pores present in the soil and rocks with fractures make a passage for rainwater to enter the earth's surface and deposit as groundwater. The flow nature and direction of groundwater under the earth's surface directly impacts the strength and compressibility of the soil, which reflects its ability to support structural loads.