Why does a high ground reservoir flow more rapidly out of a ground floor faucet than a higher floor faucet?
487009
Imagine a column of water.  The pressure is higher at the bottom of the column because of all the water above it pushing down.  Now, a closed water system can be treated as a column for determining the water pressure.  You measure from the highest point that water is in the system down to the height of the place where you taking the measurement.  \n\nIf the water tower is 200 feet tall and the building is 90 feet tall, the people on the top of the building will have 110 foot column forming their water pressure.  People in the bottom of the building will have the full 200 foot tall column of water forming their water pressure.  \n\nBecause we are dealing with a fluid, the water can exert its force around corners and the column doesn't have to really be straight up and down.  It can even have u-turns and loops.  All that really matters is the height of the faucet relative to the water level in the reservoir.
62591
For residential customers, upstream speeds have traditionally been quite a bit lower than downstream, since most people are typically downloading instead of uploading.\n\nBusiness customers usually get higher upstream speeds--at a much greater cost.
52661
after looking around at the usgs fl page for groundwater levels and recent precipitation records, i would guess that your water table has risen somewhat. from what i gather, this is normal fluctuation.  my answer is nothing more than a guess, because the data i looked at doesn't really support any other cause.  (all that just to say "I don't know.)
882605
Well, you are lower, there is more "head" above you, more air piled directly above you.  Same thing as going deep in the ocean, except you are going deep in air, so the pressure does not go up as fast as if it was water, but it WILL go up.
439060
cause wat makes the wet stuff come out is around the entry way of the hole
110300
Bernoulli's equation relates pressure to the speed of a moving fluid.  That's entirely different to what the question here is.\n\nThe reason things move from high pressure to low pressure is because such a pressure gradient is statistically unstable.  The principle is so simple it's studid.  Think of a fluid as being a bunch of tiny particles, flying around and banging into one another.  At high pressure, the particles are packed closely together, and they will hit eachother more frequently than they will at low pressure.  Every time two particles collide, they are driven away from one another.  So if a particle hits a particle and bounces toward a place of greater pressure, it will be statistically very likely to hit another particle again in a big hurry.  If it bounces to a place of lower pressure, it will be statistically less likely to hit another particle in a hurry.  If you sum up all of the collisions, the result is that movement up a pressure gradient is less stable--that is, it lasts a short time--than movement down a pressure gradient.  The effect of this is that on average, you end up with a net flux of particles in the direction down the pressure gradient.\n\nThis sounds absurd, but it ultimately makes the flow occur.  You have to realize that particles move very, very fast, and collisions happen with a frequency we can barely imagine.  So imagine you're an air molecule in a soda can that's been shaken.  There's so much pressure, that any way you go, you hit another molecule almost instantly.  Suddenly the top is opened.  Those molecule that are closest to the opnening are at an extreme point in the pressure gradient: below them are crowded molecules, and above them are the more rarified atmospheric air molecules.  They bump about at random.  But if they're bumped down into the can, they go little distance before being bounced back.  If they're bumped up, they go much further before hitting another molecule.  This means that in the vacinity of the opening, the pressure is reduced, and there are less molecules in that area.  Now the pressure gradient has propagated into the can.  Those areas adjacent to that area near the opnening now experience the same effect--being bumped away from the openeing meets it with a quick collision, while being bumped toward the opening makes it able to travel further before hitting another molecule, because so many have left the can that the area near the opening is much less crowded.  This keeps happeneing until the pressure inside and outside the can is the same, due to a net flux of molecules out of the can, and it happens really, really fast.\n\n\nConservation of momentum also makes it so that in an elastic collision, the net momentum of the collision before and after a collision is unchanged.  So for fluid in a pipe, that means most collisions will keep everything going down the pressure gradient.
596165
Given a fixed power of heat input water would take longer due to its specific heat capacity being large.  4180Joules/kg/degree, compared with 450 for iron & 880 for Aluminium (figures STRICTLY only from memory and not to be relied on)\nOther than that are consideration of good conduction of heat in metals versus convection transporting the heat quickly within the water.\nAlso practically speaking, you might need to allow for evaporative heat loss from the water surface.
329531
This happens because the flow gets faster because of acceleration due to gravity. The flow (volume/time) must keep constant on every section (conservation of mass), so the only way this can happen between points that have different velocities, is that the cross section of the flow gets smaller as speed increases \n\nMass conservation:\nArea1 x velocity1 = Area2 x velocity2\nBecause of gravity, velocity1 < velocity2.\nSo Area1 > Area2
906441
The "ground" is the point of lowest potential in a circuit. Just as all water runs downhill, all electricity runs eventually to the lowest potential. The "lowest potential" is the "ground," just like the point that all water flows downhill to could be called the "ground." Water is running toward the "ground;" electricity also flows toward the "ground."\n\nAs the electricity moves through things (like resistors), it loses some of its potential (just as water that moves to a different height). A "short circuit" is a very low resistance alternate path around an electrical component. For example, if electricity faces a resistor which is wired in parallel with a piece of wire, most of the electricity (in fact, nearly all) will travel through the wire instead of the resistor. If there is another resistor "downstream" of this parallel combination, then the electricity will reach it with a higher potential. That is, instead of dropping some of its energy across the first resistor, it will retain that energy since it traveled through the wire instead and thus the second resistor will face more potential. \n\nIf a portion of a circuit is "short circuited" to "ground," then that point in the circuit is brought to the lowest potential (this is done by placing a wire in parallel with a large section of circuit such that one end of the wire is placed on the "ground" of the circuit and the other end is placed in the middle of the circuit somewhere). In the water example, if the middle of its original path is "shorted to ground," it's much like reshaping the hill so that the water travels down a steeper incline and hits the "ground" right at that point.\n\nIf an entire circuit is "short circuited" (that is, a wire is placed from the highest potential to the lowest potential) then all of the energy of the circuit must be released through the very low resistance of the wire. (picture water running down a cliff rather than a hill; it has to drop to the "ground" immediately) Because the wire has such low resistance, this will mean that a great deal of current will be generated. This will draw so much power from the voltage source that the intrinsic resistances in the voltage source (as well as the low resistance in the wire) will start to heat up. This can damage the voltage source and the wire.\n\nTo keep going with the water analogy, imagine a water pump supplying a constant pressure to a water circuit. That pressure is much like a voltage. If the circuit uses very small diameter pipe and places objects (wheels, balls, and other things that can be moved around by wire) in the flow, it will be easy to maintain high pressure without much current. Water will quickly back-up as it stresses to get through the small pipe. However, if a large pipe is used instead (or simply no pipe) then the pump will run as fast as possible in order to try to keep the pressure up. It will most likely fail to be able to provide enough pressure (because the water faces so little resistance and so it doesn't "back up" to the pump) and the motor inside the pump will overheat and could be damaged.
222690
This all depends on the diameter of the second pipe, if you reduce the diameter then the pressure in the second pipe will increase. i.e. psi. to make sure you got the same flow rate then you will need to know the orginal flow rate. and the flow rate of the second pipe. then you can get it balanced out, by reformulating the psi equation/ the flow rate for both pipes.
494092
As any sane and decent person would expect, hot water out of the tap will boil faster than cold water out of the tap. However, water that has been boiled once and allowed to cool will boil faster than hot water out of the tap. That's because boiling gets rid of the dissolved oxygen usually found in water, making it easier for the water to boil the second time around.
712219
The Preissmann slot model is using a fictitious slot above the adit so as to use the open channel flow to simulate a pipe flow.The simulation is good as long as the pipe flow is for a full pipe and the pressure is not sub atmospheric.\nTo help you in modeling try AFT Arrow software.
460879
What your actually thinking of are baffles. These cause the water to travel in a zig zag way or even perpendicular to flow direction. This slows the water by taking its Kinetic Energy and so reduces wear on other structures or machinery
2591
Your problem can not be solved accurately unless you also state the length and roughness of the pipe.  Picture two pipes, one ten feet long and the other the length of a football field.  Clearly the longer pipe will greatly resist flow.  Also a smooth copper pipe will resist flow less than a rusty rough one.  The Crane company published a book that can be used to estimate flow through pipes based on lab tests.  Good luck.
244022
Because it only takes a 90 degree turn to turn a ball valve off/on. Its faster!
420266
Usually underground wires are surrounded by lots of insulation. Plus, the ground itself is an insulator. So even if it does get wet, the power won't go very far. Then there is the fact that a wire is just a wire. Wires do not really short out from water. It is the devices they connect that short out.
340597
there's not too much difference, other than  the density which causes the drag coefficient. however, water has surface tension, which may be slightly important in causing greater drag