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User: saxena_archit

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saxena_archit150
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Posts by saxena_archit

<prev • 106 results • page 1 of 11 • next >
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Answer: A: Well Loss in Ground Water
... **Well Loss:** 1. When water is pumped out of a well, the total drawdown caused includes not only that of the logarithmic drawdown curve at the well face, but also drawdown caused by flow through well screen and axial movement within the well. 2. The latter drawdown is called well loss. Since turbu ...
written 14 days ago by saxena_archit150 • updated 3 days ago by Sanket Shingote ♦♦ 220
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Answer: A: Numerical on Ground Water
... d = 3cm = 0.3m r = 0.15m H =20m $S_2$ = 0.5 at $r_2$ = 100m $H_2$ = 20 – 0.5 = 19.5 $S_1$ = 1 m at $r_1$ = 30m $h_1$ = 2 – 1 = 19m $Q=5000\ lit/min=\frac{5000\times10^{-3}}{60}=0.0833\ m^3/sec$ $$Q=\frac{1.36k(H^2-h^2)}{\log\left(\frac{r_2}{r_1}\right)}$$ $$0.0833=\frac{1.36k(19.5^2-1 ...
written 14 days ago by saxena_archit150 • updated 13 days ago by Sanket Shingote ♦♦ 220
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Answer: A: Numerical on Ground Water
... $$H=75$$ $$Q=1.40\ m^3/min=\frac{1.40}{60}=0.0233\ m^3/s$$ S1 = 4m h1 = H – s1 = 75 – 4 = 71 at r1 = 4 S2 = 2m h2 = H – s2 = 75 – 2 = 73 at r2 = 14 $$Q=\frac{1.36k(H^2-h_1^2)}{log\frac{R}{r_1}}=\frac{1.36k(H^2-h^2)}{log\frac{R}{r_2}}$$ $$\frac{(75^2-71^2)}{log\frac{R}{r_1 ...
written 14 days ago by saxena_archit150 • updated 13 days ago by Sanket Shingote ♦♦ 220
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Answer: A: Well Hydraulics and Darcy's Law
... Darcy’s Law: The percolation of water through soil was first studied by Darcy who demonstrated experimentally that for laminar flow conditions in a saturated soil, **Statement:** The flow rate through porous media is proportional to the head loss , total cross-sectional area of soil mass perpendic ...
written 14 days ago by saxena_archit150 • updated 3 days ago by Sanket Shingote ♦♦ 220
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Answer: A: Coefficient of Permeability (K) And Coefficient of Transmissibility (T)
... 1. The coefficient of permeability is defined as the velocity of flow which will occur through the total cross-sectional area of the soil under a unit hydraulic gradient. 2. The coefficient of transmissibility is defined as the rate of flow water through vertical strip of aquifer of unit width and e ...
written 15 days ago by saxena_archit150
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Answer: A: Zones of Underground Water
... The various zones are as follows: a) Zone of Aeration, b) Zone of saturation - Zone of Aeration: - 1. The zone of aeration is layer of Earth where the pores and cracks are filled with air and water. It is sub-earthen region that exists between the Earth's surface and water table. 2. This zone ...
written 15 days ago by saxena_archit150
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Answer: A: Occurence of Ground Water
... The possibilities of occurrence of ground water mainly depends upon two geological factors 1. The porosity of rocks: - The porosity of the rock, which is the major geological criteria for occurrence of ground water, is a quantitative measurement of the voids in the rocks. It is generally defined a ...
written 15 days ago by saxena_archit150 • updated 3 days ago by Sanket Shingote ♦♦ 220
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Answer: A: Ground Water Resources
... **Definition** Ground water is the underground water that occurs in the saturated zone of variable thickness and depth, below the earth’s surface. Cracks and pores in the existing rocks and unconsolidated crystal layers, make up a large underground reservoir, where part of precipitation is stored. ...
written 15 days ago by saxena_archit150
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Answer: A: Numerical 2) on Hydrology
... Given, $T_0$=4 hrs, $t_0$=12 hrs Since $t_0$ is an integral multiple of T0 ( i.e. $t_0$ = 3$T_0$ ), the desired hydrograph can be obtained by taking the sum of the ordinates of three unit hydrographs of 4-hours duration, each lagging from the other by 4-hours, and dividing the sum by 3. ![enter im ...
written 15 days ago by saxena_archit150
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Answer: A: Numerical 1) on Hydrology
... ![enter image description here][1] $$\text{Direct runoff (D.R.O)}=\frac{0.36\sum O\times t}{A}=\frac{0.36\times83\times3}{50}=1.79\ cm$$ [1]: https://i.imgur.com/912vLH8.png ...
written 15 days ago by saxena_archit150

Latest awards to saxena_archit

Centurion 15 days ago, created 100 posts.
Rising Star 7 months ago, created 50 posts within first three months of joining.


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