Does hot water sound different to cold water when running?

Question

When I run the hot water tap and it is cold for the first while before the hot water runs, I am sure I can hear when it changes from cold to hot...

Could that be true? could it sound different?

Answer 1

dont think this silly things while bathing bath properly

Answer 2

Hot water gives off clouds of vapor and suspended droplets.  These clouds dampen noise, causing the water's sound to be muffled.

The space shuttle uses the same kind of noise suppression system during launch.

Answer 3

NOOOOOOOOOOOOOOOOOOOO

Answer 4

I've noticed the same thing, but I'm not sure what causes it.  It's not just because of the temperature, but remember that hot water from your tap comes through the water heater, and cold water doesn't.  I read somewhere that water from the heater has more air dissolved in it, but I don't know why that would be the case.  Anyway, the reason for delay for the water to "heat up" is that the water in the hot water pipe has cooled off, and heated water from the water heater doesn't get to the tap for a few seconds.

Answer 5

it could cause the molecules on the hot water are loser than the cold water

Answer 6

Most have the hot water run through the water softner while the cold, drinking water, is unsoftened. This is most likely the cause.

Hot water usually has steam that causes an increase in pressure and pitch.

Hot water also runs through different pipes. If the pipes or shorter or have more pressure there will be an increase in pitch. Longer pipes or lower pressure will provide a lower pitch.

The faucet needs to be turned to the same spot for the hot and cold because the faster the water comes out, the more the pressure and the higher the pitch. If you have the hot water running slower than the cold it will have a lower or different pitch.

Hope this helps