When I turn on the sink faucet it sometimes makes a screeching noise, but it doesn’t happen all the time
In: Physics
To explain the noise, all the pipes in your house are under pressure. Opening the faucet, relieves that pressure and the water comes out at quite a velocity. So what you’re hearing is the water flow contacting the various bends in your pipes. The output (faucet) will be loudest because the sink acts as a parabolic amplifier as well as a mass of air is contacting the water as well giving the water room to expand quickly.
So it makes a screech noise.
The previous comment was correct, turn down your water pressure underneath the sink to reduce water flow noise!
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