If it only happens on that tap, then there is a problem with the internal washers. You can take it apart and fix it easily if it is a reputable make. If not, remove it totally and fit a good one.
No. Water closet is another name for bathroom.
No. A mixer mixes both flows, so if you have only one flow it can't mix.
That water is used in the cold taps in your bathroom and for the heated water you use. Don't drink from these taps.
The simplest answer would be that the screen in the spout is clogged.
Check piping. Make sure cold line going into cold side of water heater and hot side coming out hot side. Cold feed for water heater should come off main cold line. Make sure valves are open to and from water heater.
I dont know. But water bugs only swim.
Some hot/cold mixer have separate metering valves on each hot and cold water supply, perhaps the cold water supply metering valve is fully closed. Look for a slotted screw adjustment on the metering valve, using a screwdriver to open or close the valve as required.
If the whole house is served with well water there is no problem doing this. If only this bathroom is to be supplied with well water then it needs it's own pressure tank.
yes contact your service provider of you mixer
he means that using the bathroom has a price and you only break your arm every time you chew bubble gum.
Probably not, if the cupboard has doors that close completely. This will prevent dust from getting to the mixer. A mixer cover is a necessity only if the mixer spends most of its time on the countertop.
painted turtles only like to pee in evion