Often there will be debris in the line that clog the screen in the spout. If not that, it may be in the faucet itself. With single handle faucets or two handle that are quarter turn valves, it takes very little to block the hole that water comes through.
Valves under the sink NO WORK HUH?
The valves arent shutting off and must be replaced.
One for the hot water, one for the cold.
depending on what type of faucet you have sometimes you need to close both hot and cold angle stop valves under sink.
The washer in the shut off valve has probably split or come off completely over time.
2-3 usually. 1 each for hot and cold water and possibly a third for hot water going to dishwasher.
yes it will sink under water because it is denser than water.
flange valves are useful because lets say in your sink the faucet is leaking you can use the flange valve to stop the water and repair the sink without having to turn the water for your whole house off.
A valve in a plumbing line that closes the line before the fixture it is connected to. For water there are usually shut off valves under the sink and right above the floor for the toilet. For gas, there is usually a valve that a flexible line attaches to and then to the appliance.
Under the sink.
Crocodiles close there valve to stay under water.
it means to drown