Water cost to little for hydraulic system thus to make money we use light oils plus the vicosity of the water is TOO LIGHT
In cases where a change in the underground pipe system is not feasible, a bladder system is sometimes used to increase and maintain water pressure. Contact a plumber.
Soapy Water
as more pressure is given by the steam
A piezometer is a tool used to measure the static liquid pressure in a system. It also is used to measure pore - water pressure at multiple zones in a borehole.
It is mostly used when referring to air. I suppose it can be used but I would expect it to be inches cubed instead of per square inch when dealing with water.
Liquid sodium
No but, it is not a good idea to use straight water in a vehicles cooling system.
A L is used to indicate a low pressure system
There are at least seven Romans still used in the water system of Spain today. Historically, Romans have been used for various water system functions, such as pressure regulation, aqueous distillation, etc. Nowadays, however, they are kept in use mainly as a legacy water transport medium, similar to pipes or balloon valves.
In many experiments, buffers are used instead of water becuase buffers control pH, whereas water does not.
it uses centrifugal pump type to maintain pressure of 120 kg/cm2
Water towers use the gravitational head to provide constant pressure. A pump is used to pump the water up to the water tower. If a pump was the only means to provide pressure, the pressure at your faucet would be highly variable. The outlet flow rate of a pump is limited, so it wouldn't be able to keep up with short term fluctuations in water consumption. You could build a pump system that would instantaneously keep up with varying demand, but it would be big and expensive. Instead, a small pump is used to deliver the water to the top of the water tower at a more or less constant rate. When the water is up in the tank, the pressure at the bottom of the water tower is more or less constant, equal to density*gravity*height.