I would purchase a Watt water pressure guage from your local home improvement or hardware store and check your water pressure at your faucet. If water pressure is greater than 40-45psi your regulator needs to be turned down where the water comes into the house.
You have to undo the aerator at the end of the faucet and clean the screen or plastic water saver out. It will be plugged with sand or sediment.
Mixer valve
Usually air in the lines or possibly worn washers in the faucets.
Centrifigal force. The spin speed during the rinse cycle is faster which causes the liquid to escape the dispenser.
Possibly a pressure reducing valve installed after piping for first faucet, which would cause situation describing.
most refrigerator doors are magnetic
The magnetic material of which the box of the refrigerator is fabricated, such as iron or steel.
Some causes for a sudden water pressure drop: 1) A big leak on the main supply line. 2) one or more faucets or shower heads opened on the same water line. 3) A utility water pump failure.
Mostly hard water which damages pipes and internal parts of plumbing.
causes of abnormal pressure
Some words that rhyme with "causes" include "pauses," "gauzes," and "faucets."
#1 power surge