Australia 108 is a 319 m high tower in Melbourne. It has four water supply tanks located high in the building. Briefly explain why using water supply tanks is preferred over using water from the street-level water mains supply.
Kinetic Theory of Gas
The Kinetic Theory of gases is a classical model of gases, according to which gases are composed of molecules/particles that are in random motion. While undergoing this random motion, kinetic energy in molecules can assume random velocity across all directions. It also says that the constituent particles/molecules undergo elastic collision, which means that the total kinetic energy remains constant before and after the collision. The average kinetic energy of the particles also determines the pressure of the gas.
P-V Diagram
A P-V diagram is a very important tool of the branch of physics known as thermodynamics, which is used to analyze the working and hence the efficiency of thermodynamic engines. As the name suggests, it is used to measure the changes in pressure (P) and volume (V) corresponding to the thermodynamic system under study. The P-V diagram is used as an indicator diagram to control the given thermodynamic system.
The reason to this question is
I) Use of the principles of Gravitational potential energy
The water stored in a tank is distributed by gravity. The water tanks are always built at the highest location so that the water reaches all points by mere gravity.
By using gravity to bring down water we don't need to use an electrical motor.
As water supply tanks at heigher point has more gravitational potential energy than the street level water supply, that's why using water supply tanks is preferred over using water from the street-level water mains supply.
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