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What makes a shower head low flow?

In most there is a washer in them that has a small hole in it so that only so much water can get through regardless of how much pressure is behind it.


What is the functional difference between a ball valve and a butterfly valve?

A ball valve is a ball with a hole through it that rotates around its axis to expose the hole for flow or the solid wall of the ball for no flow. The butterfly valve is a flat piece that is supported in the middle by a shaft that opens or closes when the shaft is rotated.


Can i pour dry concrete in a hole?

Yes you can. There is a special concrete formula made by sackrete that you just add water to the concrete after pouring it in a hole.


Is it acceptable to allow each phase cable of a three phase system to enter the power panel separately on a hole with a plastic gland on top of panel considering the induction heating?

No. The hole through the panel constitutes a single turn transformer winding, and will dissipate power because it is effectively short-circuited. You need to either relieve the hole with a slot, or penetrate the hole with all three conductors, which will cause cancellation of the current flow.


Why is there a small hole on the top of aerosol cans?

Well, darling, that tiny hole on aerosol cans is there to prevent them from exploding under pressure. It allows air to flow into the can, equalizing the pressure inside and outside. So next time you're spraying your hairspray or air freshener, just remember that little hole is there to keep things from getting too explosive.

Related Questions

Why do Bic pens have a hole in the middle?

If it was completely airtight, then the pressure inside would drop, preventing ink flow. Placing a hole in the middle equalises the pressure and controls the flow of ink. The hole, basically, stops the pen from leaking ink.


What is the water flow through hole in tank?

slowly water leaking from the hole


The movement of gas through a small hole into an area of lower pressure is?

The movement of gas through a small hole into an area of lower pressure is diffusion.


What makes a shower head low flow?

In most there is a washer in them that has a small hole in it so that only so much water can get through regardless of how much pressure is behind it.


Explain why gases flow through small hole?

Gases are able to flow through a small hole because of diffusion. This is the process by which the rapidly moving molecules move apart through the collision with other molecules.


How do you calculate bottom hole pressure?

Bottom hole pressure can be calculated using the hydrostatic pressure formula: BHP = mud weight x true vertical depth + hydrostatic pressure from any fluids in the well. You can also use specialized software or spreadsheets that take into account additional factors like temperature, wellbore geometry, and fluid properties.


What are the relationship between viscosity and time of flow?

When a liquid is heated, it will generally become less viscous.


Relationship between flow time and viscosity?

The higher the viscosity, the lower the flow rate.


Why liquid rushes faster at the bottom hole than the tops?

The liquid rushes faster at the bottom hole because of the effects of gravity. The pressure at the bottom hole is higher due to the weight of the liquid above it, causing it to flow faster. Buoyancy effects also play a role in the flow dynamics.


Why do pen lids have a hole in the top?

To keep the pressure equalized. If you have a pen with no hole, and were to take it up in an airplane, or even to the top of a building, the pressure difference could cause the ink to flow out of the pen creating a mess and making writing really messy. There is a hole in the body of the Compressed polystyrene to equalise atmospheric pressure, for the reasons stated above, however the hole in the top of the lid is to prevent children for sucking the lid into their throat, subsequently this provides an air passage in such a case.


What is the process by which gas particles under pressure flow through a tiny opening?

Gas particles under pressure flow through a tiny opening due to a combination of diffusion and effusion. Diffusion refers to the movement of gas particles from an area of high concentration to low concentration, while effusion specifically describes the movement of gas particles through a small opening. This process occurs until equilibrium is reached.


Why does air rush out of a hole in a balloon?

Air rushes out of a hole in a balloon because of the pressure difference between the higher pressure inside the balloon and the lower pressure outside. This pressure gradient causes the air to flow from high pressure to low pressure until the pressures equalize.