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Infants and toddlers have fallen headfirst into toilet bowls and drowned. Safety devices exist to help prevent such accidents. [1] [2] Injuries to adults include bruised buttocks and tail bones, as well as dislocated hips have resulted from unexpectedly sitting on the toilet bowl rim because the seat is up or loose.
The topmost pressure chamber slowly refills through its narrow passageway, pushing the valve cylinder back down gradually. A flush occurs while it is in its open mid positions. Because the water is gradually shut off, slower water at the end of the cycle that will not activate the siphon serves to refill the bowl.
The second type of decompression changes from exceptionally high pressure (many atmospheres) to normal atmospheric pressure (one atmosphere) as may occur in deep-sea diving. The first type is more common as pressure reduction from normal atmospheric pressure to a vacuum can be found in both space exploration and high-altitude aviation .
The water hits the hot grease and quickly expands into a huge flame -- i.e., not what you were going for. This Is What Happens When You Throw a Water Bottle Into Molten Steel.
When the handle of a flush toilet with a tank (British, cistern) is turned, a discharge mechanism is activated by means of a rod or chain. The mechanism may be a flapper valve, which is designed to sink more slowly than the water - allowing the water to exit to the toilet bowl below, so that the tank may empty.
Reduce the pressure of the water supply to the building by fitting a regulator. Lower fluid velocities. To keep water hammer low, pipe-sizing charts for some applications recommend flow velocity at or below 1.5 m/s (4.9 ft/s). Fit slowly closing valves. Toilet fill valves are available in a quiet fill type that closes quietly.
Injury from blast overpressure is a pressure and time dependent function. By increasing the pressure or its duration, the severity of injury will also increase. [3] Extensive damage can also be inflicted upon the auditory system. The tympanic membrane (also known as the eardrum) may be perforated
When a 1 kg charge of C-4 was set off under the toilet, the entire set was destroyed except for the tub. The peak pressure outside the tub was a lethal 180 psi (1.2 MPa), while the inside sensor recorded 8 psi (55 kPa), meaning that a person would survive but have some chance of suffering hearing damage.