choir members in your pipes
water hammer and not being strapped down properly.
Because of the pressure the water is causing.
because the water inside the pipes freezes which causes ice to be created, which then expands and causes the pipe to burst
Water freezes at 0 deg C. As the water freezes in the pipes, it expands and it is the force of expansion which causes the pipes to burst.
some times when temperatures go really cold in winters it causes water to freeze and as the water in pipes starts to freeze, the expansion that takes place when water freezes causes pipes to break
Usually dissolved calcium is the cause of scaling in pipes that carry water.
Singing water pipes can be caused by air that is trapped in the pipes. The air can cause a whistling or singing sound, or it can cause the pipes to knock or rattle.
They are probably not strapped in the wall. If you have a quick closing faucet, there may be water hammer.
It is the water rushing through the pipes creating a pumping sound
Expansion and contraction